2006-10-06 18:32:18 +02:00
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/*
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* soc-dapm.c -- ALSA SoC Dynamic Audio Power Management
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*
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* Copyright 2005 Wolfson Microelectronics PLC.
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2008-10-12 14:17:36 +02:00
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* Author: Liam Girdwood <lrg@slimlogic.co.uk>
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2006-10-06 18:32:18 +02:00
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* Features:
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* o Changes power status of internal codec blocks depending on the
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* dynamic configuration of codec internal audio paths and active
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2009-06-06 12:26:15 +02:00
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* DACs/ADCs.
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2006-10-06 18:32:18 +02:00
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* o Platform power domain - can support external components i.e. amps and
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* mic/meadphone insertion events.
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* o Automatic Mic Bias support
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* o Jack insertion power event initiation - e.g. hp insertion will enable
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* sinks, dacs, etc
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2007-10-19 23:10:43 +02:00
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* o Delayed powerdown of audio susbsystem to reduce pops between a quick
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2006-10-06 18:32:18 +02:00
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* device reopen.
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*
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* Todo:
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* o DAPM power change sequencing - allow for configurable per
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* codec sequences.
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* o Support for analogue bias optimisation.
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* o Support for reduced codec oversampling rates.
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* o Support for reduced codec bias currents.
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/bitops.h>
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#include <linux/platform_device.h>
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#include <linux/jiffies.h>
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2009-08-24 09:40:34 +02:00
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#include <linux/debugfs.h>
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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-24 09:04:11 +01:00
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#include <linux/slab.h>
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2006-10-06 18:32:18 +02:00
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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2010-11-05 14:53:46 +01:00
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#include <sound/soc.h>
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2006-10-06 18:32:18 +02:00
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#include <sound/initval.h>
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2010-11-04 05:07:02 +01:00
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#include <trace/events/asoc.h>
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2006-10-06 18:32:18 +02:00
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/* dapm power sequences - make this per codec in the future */
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static int dapm_up_seq[] = {
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2009-06-06 20:03:23 +02:00
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[snd_soc_dapm_pre] = 0,
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[snd_soc_dapm_supply] = 1,
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[snd_soc_dapm_micbias] = 2,
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2009-08-17 18:39:22 +02:00
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[snd_soc_dapm_aif_in] = 3,
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[snd_soc_dapm_aif_out] = 3,
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[snd_soc_dapm_mic] = 4,
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[snd_soc_dapm_mux] = 5,
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2010-12-16 16:53:39 +01:00
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[snd_soc_dapm_virt_mux] = 5,
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2009-08-17 18:39:22 +02:00
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[snd_soc_dapm_value_mux] = 5,
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[snd_soc_dapm_dac] = 6,
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[snd_soc_dapm_mixer] = 7,
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[snd_soc_dapm_mixer_named_ctl] = 7,
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[snd_soc_dapm_pga] = 8,
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[snd_soc_dapm_adc] = 9,
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2010-12-11 04:11:44 +01:00
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[snd_soc_dapm_out_drv] = 10,
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2009-08-17 18:39:22 +02:00
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[snd_soc_dapm_hp] = 10,
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[snd_soc_dapm_spk] = 10,
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[snd_soc_dapm_post] = 11,
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2006-10-06 18:32:18 +02:00
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};
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2009-01-06 21:11:51 +01:00
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2006-10-06 18:32:18 +02:00
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static int dapm_down_seq[] = {
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2009-06-06 20:03:23 +02:00
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[snd_soc_dapm_pre] = 0,
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[snd_soc_dapm_adc] = 1,
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[snd_soc_dapm_hp] = 2,
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2009-08-17 17:26:59 +02:00
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[snd_soc_dapm_spk] = 2,
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2010-12-11 04:11:44 +01:00
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[snd_soc_dapm_out_drv] = 2,
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2009-06-06 20:03:23 +02:00
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[snd_soc_dapm_pga] = 4,
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[snd_soc_dapm_mixer_named_ctl] = 5,
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2009-06-07 14:08:45 +02:00
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[snd_soc_dapm_mixer] = 5,
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[snd_soc_dapm_dac] = 6,
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[snd_soc_dapm_mic] = 7,
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[snd_soc_dapm_micbias] = 8,
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[snd_soc_dapm_mux] = 9,
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2010-12-16 16:53:39 +01:00
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[snd_soc_dapm_virt_mux] = 9,
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2009-06-07 14:08:45 +02:00
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[snd_soc_dapm_value_mux] = 9,
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2009-08-17 18:39:22 +02:00
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[snd_soc_dapm_aif_in] = 10,
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[snd_soc_dapm_aif_out] = 10,
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[snd_soc_dapm_supply] = 11,
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[snd_soc_dapm_post] = 12,
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2006-10-06 18:32:18 +02:00
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};
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2008-10-14 02:42:14 +02:00
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static void pop_wait(u32 pop_time)
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2008-07-02 12:51:20 +02:00
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{
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if (pop_time)
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schedule_timeout_uninterruptible(msecs_to_jiffies(pop_time));
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}
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2010-11-09 13:40:28 +01:00
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static void pop_dbg(struct device *dev, u32 pop_time, const char *fmt, ...)
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2008-07-02 12:51:20 +02:00
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{
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va_list args;
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2010-11-09 13:40:28 +01:00
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char *buf;
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2008-07-02 12:51:20 +02:00
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2010-11-09 13:40:28 +01:00
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if (!pop_time)
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return;
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2008-07-02 12:51:20 +02:00
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2010-11-09 13:40:28 +01:00
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buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
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if (buf == NULL)
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return;
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2008-07-02 12:51:20 +02:00
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2010-11-09 13:40:28 +01:00
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va_start(args, fmt);
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vsnprintf(buf, PAGE_SIZE, fmt, args);
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2010-12-22 14:08:40 +01:00
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dev_info(dev, "%s", buf);
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2008-07-02 12:51:20 +02:00
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va_end(args);
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2010-11-09 13:40:28 +01:00
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kfree(buf);
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2008-07-02 12:51:20 +02:00
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}
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2006-10-06 18:32:18 +02:00
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/* create a new dapm widget */
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2007-02-05 14:56:20 +01:00
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static inline struct snd_soc_dapm_widget *dapm_cnew_widget(
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2006-10-06 18:32:18 +02:00
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const struct snd_soc_dapm_widget *_widget)
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{
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2007-02-05 14:56:20 +01:00
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return kmemdup(_widget, sizeof(*_widget), GFP_KERNEL);
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2006-10-06 18:32:18 +02:00
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}
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2009-05-17 22:41:23 +02:00
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/**
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* snd_soc_dapm_set_bias_level - set the bias level for the system
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2011-02-18 20:12:42 +01:00
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* @dapm: DAPM context
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2009-05-17 22:41:23 +02:00
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* @level: level to configure
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*
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* Configure the bias (power) levels for the SoC audio device.
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*
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* Returns 0 for success else error.
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*/
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2011-02-18 20:12:42 +01:00
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static int snd_soc_dapm_set_bias_level(struct snd_soc_dapm_context *dapm,
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2010-11-05 14:53:46 +01:00
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enum snd_soc_bias_level level)
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2009-05-17 22:41:23 +02:00
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{
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2011-02-18 20:12:42 +01:00
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struct snd_soc_card *card = dapm->card;
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2009-05-17 22:41:23 +02:00
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int ret = 0;
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2009-05-18 16:44:43 +02:00
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switch (level) {
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case SND_SOC_BIAS_ON:
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2010-11-05 14:53:46 +01:00
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dev_dbg(dapm->dev, "Setting full bias\n");
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2009-05-18 16:44:43 +02:00
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break;
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case SND_SOC_BIAS_PREPARE:
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2010-11-05 14:53:46 +01:00
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dev_dbg(dapm->dev, "Setting bias prepare\n");
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2009-05-18 16:44:43 +02:00
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break;
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case SND_SOC_BIAS_STANDBY:
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2010-11-05 14:53:46 +01:00
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dev_dbg(dapm->dev, "Setting standby bias\n");
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2009-05-18 16:44:43 +02:00
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break;
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case SND_SOC_BIAS_OFF:
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2010-11-05 14:53:46 +01:00
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dev_dbg(dapm->dev, "Setting bias off\n");
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2009-05-18 16:44:43 +02:00
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break;
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default:
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2010-11-05 14:53:46 +01:00
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dev_err(dapm->dev, "Setting invalid bias %d\n", level);
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2009-05-18 16:44:43 +02:00
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return -EINVAL;
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}
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2010-11-04 05:07:02 +01:00
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trace_snd_soc_bias_level_start(card, level);
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2010-03-17 21:15:21 +01:00
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if (card && card->set_bias_level)
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2009-05-17 22:41:23 +02:00
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ret = card->set_bias_level(card, level);
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2009-08-19 15:18:53 +02:00
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if (ret == 0) {
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2010-11-05 14:53:46 +01:00
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if (dapm->codec && dapm->codec->driver->set_bias_level)
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ret = dapm->codec->driver->set_bias_level(dapm->codec, level);
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2009-08-19 15:18:53 +02:00
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else
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2010-11-05 14:53:46 +01:00
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dapm->bias_level = level;
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2009-08-19 15:18:53 +02:00
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}
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2010-12-04 13:41:04 +01:00
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if (ret == 0) {
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if (card && card->set_bias_level_post)
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ret = card->set_bias_level_post(card, level);
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}
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2009-05-17 22:41:23 +02:00
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2010-11-04 05:07:02 +01:00
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trace_snd_soc_bias_level_done(card, level);
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2009-05-17 22:41:23 +02:00
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return ret;
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}
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2006-10-06 18:32:18 +02:00
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/* set up initial codec paths */
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static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
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struct snd_soc_dapm_path *p, int i)
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{
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switch (w->id) {
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case snd_soc_dapm_switch:
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2009-01-06 21:11:51 +01:00
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case snd_soc_dapm_mixer:
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case snd_soc_dapm_mixer_named_ctl: {
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2006-10-06 18:32:18 +02:00
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int val;
|
2008-07-29 12:42:26 +02:00
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struct soc_mixer_control *mc = (struct soc_mixer_control *)
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w->kcontrols[i].private_value;
|
2008-07-29 16:22:24 +02:00
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unsigned int reg = mc->reg;
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unsigned int shift = mc->shift;
|
2008-07-29 12:42:26 +02:00
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int max = mc->max;
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2008-07-29 16:22:24 +02:00
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unsigned int mask = (1 << fls(max)) - 1;
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unsigned int invert = mc->invert;
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2006-10-06 18:32:18 +02:00
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val = snd_soc_read(w->codec, reg);
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val = (val >> shift) & mask;
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if ((invert && !val) || (!invert && val))
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p->connect = 1;
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else
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p->connect = 0;
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}
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break;
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case snd_soc_dapm_mux: {
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struct soc_enum *e = (struct soc_enum *)w->kcontrols[i].private_value;
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int val, item, bitmask;
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|
2008-07-29 12:42:27 +02:00
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for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
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2006-10-06 18:32:18 +02:00
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;
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val = snd_soc_read(w->codec, e->reg);
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item = (val >> e->shift_l) & (bitmask - 1);
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p->connect = 0;
|
2008-07-29 12:42:27 +02:00
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for (i = 0; i < e->max; i++) {
|
2006-10-06 18:32:18 +02:00
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if (!(strcmp(p->name, e->texts[i])) && item == i)
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p->connect = 1;
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}
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}
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break;
|
2010-12-16 16:53:39 +01:00
|
|
|
case snd_soc_dapm_virt_mux: {
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struct soc_enum *e = (struct soc_enum *)w->kcontrols[i].private_value;
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p->connect = 0;
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/* since a virtual mux has no backing registers to
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* decide which path to connect, it will try to match
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* with the first enumeration. This is to ensure
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* that the default mux choice (the first) will be
|
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* correctly powered up during initialization.
|
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*/
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|
if (!strcmp(p->name, e->texts[0]))
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|
p->connect = 1;
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|
}
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|
break;
|
2009-01-05 08:54:57 +01:00
|
|
|
case snd_soc_dapm_value_mux: {
|
2009-01-08 12:34:29 +01:00
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|
struct soc_enum *e = (struct soc_enum *)
|
2009-01-05 08:54:57 +01:00
|
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|
w->kcontrols[i].private_value;
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|
|
int val, item;
|
|
|
|
|
|
|
|
val = snd_soc_read(w->codec, e->reg);
|
|
|
|
val = (val >> e->shift_l) & e->mask;
|
|
|
|
for (item = 0; item < e->max; item++) {
|
|
|
|
if (val == e->values[item])
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
p->connect = 0;
|
|
|
|
for (i = 0; i < e->max; i++) {
|
|
|
|
if (!(strcmp(p->name, e->texts[i])) && item == i)
|
|
|
|
p->connect = 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
2006-10-06 18:32:18 +02:00
|
|
|
/* does not effect routing - always connected */
|
|
|
|
case snd_soc_dapm_pga:
|
2010-12-11 04:11:44 +01:00
|
|
|
case snd_soc_dapm_out_drv:
|
2006-10-06 18:32:18 +02:00
|
|
|
case snd_soc_dapm_output:
|
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_input:
|
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
case snd_soc_dapm_vmid:
|
2009-04-22 19:24:55 +02:00
|
|
|
case snd_soc_dapm_supply:
|
2009-08-17 18:39:22 +02:00
|
|
|
case snd_soc_dapm_aif_in:
|
|
|
|
case snd_soc_dapm_aif_out:
|
2006-10-06 18:32:18 +02:00
|
|
|
p->connect = 1;
|
|
|
|
break;
|
|
|
|
/* does effect routing - dynamically connected */
|
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_spk:
|
|
|
|
case snd_soc_dapm_line:
|
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
case snd_soc_dapm_post:
|
|
|
|
p->connect = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-06-06 12:26:15 +02:00
|
|
|
/* connect mux widget to its interconnecting audio paths */
|
2010-11-05 14:53:46 +01:00
|
|
|
static int dapm_connect_mux(struct snd_soc_dapm_context *dapm,
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
|
|
|
|
struct snd_soc_dapm_path *path, const char *control_name,
|
|
|
|
const struct snd_kcontrol_new *kcontrol)
|
|
|
|
{
|
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
|
|
|
int i;
|
|
|
|
|
2008-07-29 12:42:27 +02:00
|
|
|
for (i = 0; i < e->max; i++) {
|
2006-10-06 18:32:18 +02:00
|
|
|
if (!(strcmp(control_name, e->texts[i]))) {
|
2010-12-14 11:18:30 +01:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 18:32:18 +02:00
|
|
|
list_add(&path->list_sink, &dest->sources);
|
|
|
|
list_add(&path->list_source, &src->sinks);
|
|
|
|
path->name = (char*)e->texts[i];
|
|
|
|
dapm_set_path_status(dest, path, 0);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
2009-06-06 12:26:15 +02:00
|
|
|
/* connect mixer widget to its interconnecting audio paths */
|
2010-11-05 14:53:46 +01:00
|
|
|
static int dapm_connect_mixer(struct snd_soc_dapm_context *dapm,
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_dapm_widget *src, struct snd_soc_dapm_widget *dest,
|
|
|
|
struct snd_soc_dapm_path *path, const char *control_name)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* search for mixer kcontrol */
|
|
|
|
for (i = 0; i < dest->num_kcontrols; i++) {
|
|
|
|
if (!strcmp(control_name, dest->kcontrols[i].name)) {
|
2010-12-14 11:18:30 +01:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 18:32:18 +02:00
|
|
|
list_add(&path->list_sink, &dest->sources);
|
|
|
|
list_add(&path->list_source, &src->sinks);
|
|
|
|
path->name = dest->kcontrols[i].name;
|
|
|
|
dapm_set_path_status(dest, path, i);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* update dapm codec register bits */
|
|
|
|
static int dapm_update_bits(struct snd_soc_dapm_widget *widget)
|
|
|
|
{
|
|
|
|
int change, power;
|
2009-06-07 07:49:11 +02:00
|
|
|
unsigned int old, new;
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_codec *codec = widget->codec;
|
2010-11-05 14:53:46 +01:00
|
|
|
struct snd_soc_dapm_context *dapm = widget->dapm;
|
2010-11-05 19:35:21 +01:00
|
|
|
struct snd_soc_card *card = dapm->card;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
/* check for valid widgets */
|
|
|
|
if (widget->reg < 0 || widget->id == snd_soc_dapm_input ||
|
|
|
|
widget->id == snd_soc_dapm_output ||
|
|
|
|
widget->id == snd_soc_dapm_hp ||
|
|
|
|
widget->id == snd_soc_dapm_mic ||
|
|
|
|
widget->id == snd_soc_dapm_line ||
|
|
|
|
widget->id == snd_soc_dapm_spk)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
power = widget->power;
|
|
|
|
if (widget->invert)
|
|
|
|
power = (power ? 0:1);
|
|
|
|
|
|
|
|
old = snd_soc_read(codec, widget->reg);
|
|
|
|
new = (old & ~(0x1 << widget->shift)) | (power << widget->shift);
|
|
|
|
|
|
|
|
change = old != new;
|
|
|
|
if (change) {
|
2010-11-09 13:40:28 +01:00
|
|
|
pop_dbg(dapm->dev, card->pop_time,
|
|
|
|
"pop test %s : %s in %d ms\n",
|
2008-10-14 02:42:14 +02:00
|
|
|
widget->name, widget->power ? "on" : "off",
|
2010-11-05 19:35:21 +01:00
|
|
|
card->pop_time);
|
|
|
|
pop_wait(card->pop_time);
|
2010-03-03 15:57:09 +01:00
|
|
|
snd_soc_write(codec, widget->reg, new);
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_dbg(dapm->dev, "reg %x old %x new %x change %d\n", widget->reg,
|
|
|
|
old, new, change);
|
2006-10-06 18:32:18 +02:00
|
|
|
return change;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* create new dapm mixer control */
|
2010-11-05 14:53:46 +01:00
|
|
|
static int dapm_new_mixer(struct snd_soc_dapm_context *dapm,
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
int i, ret = 0;
|
2008-10-28 14:02:31 +01:00
|
|
|
size_t name_len;
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_dapm_path *path;
|
2010-11-05 14:53:46 +01:00
|
|
|
struct snd_card *card = dapm->codec->card->snd_card;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
/* add kcontrol */
|
|
|
|
for (i = 0; i < w->num_kcontrols; i++) {
|
|
|
|
|
|
|
|
/* match name */
|
|
|
|
list_for_each_entry(path, &w->sources, list_sink) {
|
|
|
|
|
|
|
|
/* mixer/mux paths name must match control name */
|
|
|
|
if (path->name != (char*)w->kcontrols[i].name)
|
|
|
|
continue;
|
|
|
|
|
2009-01-06 21:11:51 +01:00
|
|
|
/* add dapm control with long name.
|
|
|
|
* for dapm_mixer this is the concatenation of the
|
|
|
|
* mixer and kcontrol name.
|
|
|
|
* for dapm_mixer_named_ctl this is simply the
|
|
|
|
* kcontrol name.
|
|
|
|
*/
|
|
|
|
name_len = strlen(w->kcontrols[i].name) + 1;
|
2009-03-05 18:06:23 +01:00
|
|
|
if (w->id != snd_soc_dapm_mixer_named_ctl)
|
2009-01-06 21:11:51 +01:00
|
|
|
name_len += 1 + strlen(w->name);
|
|
|
|
|
2008-10-28 14:02:31 +01:00
|
|
|
path->long_name = kmalloc(name_len, GFP_KERNEL);
|
2009-01-06 21:11:51 +01:00
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
if (path->long_name == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
2009-01-06 21:11:51 +01:00
|
|
|
switch (w->id) {
|
|
|
|
default:
|
|
|
|
snprintf(path->long_name, name_len, "%s %s",
|
|
|
|
w->name, w->kcontrols[i].name);
|
2009-03-05 18:06:23 +01:00
|
|
|
break;
|
2009-01-06 21:11:51 +01:00
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
|
|
|
snprintf(path->long_name, name_len, "%s",
|
|
|
|
w->kcontrols[i].name);
|
2009-03-05 18:06:23 +01:00
|
|
|
break;
|
2009-01-06 21:11:51 +01:00
|
|
|
}
|
|
|
|
|
2008-10-28 14:02:31 +01:00
|
|
|
path->long_name[name_len - 1] = '\0';
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
path->kcontrol = snd_soc_cnew(&w->kcontrols[i], w,
|
|
|
|
path->long_name);
|
2010-11-05 14:53:46 +01:00
|
|
|
ret = snd_ctl_add(card, path->kcontrol);
|
2006-10-06 18:32:18 +02:00
|
|
|
if (ret < 0) {
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(dapm->dev,
|
|
|
|
"asoc: failed to add dapm kcontrol %s: %d\n",
|
|
|
|
path->long_name, ret);
|
2006-10-06 18:32:18 +02:00
|
|
|
kfree(path->long_name);
|
|
|
|
path->long_name = NULL;
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* create new dapm mux control */
|
2010-11-05 14:53:46 +01:00
|
|
|
static int dapm_new_mux(struct snd_soc_dapm_context *dapm,
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path = NULL;
|
|
|
|
struct snd_kcontrol *kcontrol;
|
2010-11-05 14:53:46 +01:00
|
|
|
struct snd_card *card = dapm->codec->card->snd_card;
|
2006-10-06 18:32:18 +02:00
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (!w->num_kcontrols) {
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(dapm->dev, "asoc: mux %s has no controls\n", w->name);
|
2006-10-06 18:32:18 +02:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
kcontrol = snd_soc_cnew(&w->kcontrols[0], w, w->name);
|
2010-11-05 14:53:46 +01:00
|
|
|
ret = snd_ctl_add(card, kcontrol);
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
if (ret < 0)
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
list_for_each_entry(path, &w->sources, list_sink)
|
|
|
|
path->kcontrol = kcontrol;
|
|
|
|
|
|
|
|
return ret;
|
|
|
|
|
|
|
|
err:
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(dapm->dev, "asoc: failed to add kcontrol %s\n", w->name);
|
2006-10-06 18:32:18 +02:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* create new dapm volume control */
|
2010-11-05 14:53:46 +01:00
|
|
|
static int dapm_new_pga(struct snd_soc_dapm_context *dapm,
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
2010-03-03 18:45:21 +01:00
|
|
|
if (w->num_kcontrols)
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(w->dapm->dev,
|
|
|
|
"asoc: PGA controls not supported: '%s'\n", w->name);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2010-03-03 18:45:21 +01:00
|
|
|
return 0;
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* reset 'walked' bit for each dapm path */
|
2010-11-05 14:53:46 +01:00
|
|
|
static inline void dapm_clear_walk(struct snd_soc_dapm_context *dapm)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *p;
|
|
|
|
|
2010-12-14 11:18:30 +01:00
|
|
|
list_for_each_entry(p, &dapm->card->paths, list)
|
2006-10-06 18:32:18 +02:00
|
|
|
p->walked = 0;
|
|
|
|
}
|
|
|
|
|
2010-05-07 21:24:05 +02:00
|
|
|
/* We implement power down on suspend by checking the power state of
|
|
|
|
* the ALSA card - when we are suspending the ALSA state for the card
|
|
|
|
* is set to D3.
|
|
|
|
*/
|
|
|
|
static int snd_soc_dapm_suspend_check(struct snd_soc_dapm_widget *widget)
|
|
|
|
{
|
2010-11-05 14:53:46 +01:00
|
|
|
int level = snd_power_get_state(widget->dapm->codec->card->snd_card);
|
2010-05-07 21:24:05 +02:00
|
|
|
|
2010-03-17 21:15:21 +01:00
|
|
|
switch (level) {
|
2010-05-07 21:24:05 +02:00
|
|
|
case SNDRV_CTL_POWER_D3hot:
|
|
|
|
case SNDRV_CTL_POWER_D3cold:
|
2010-05-07 22:11:40 +02:00
|
|
|
if (widget->ignore_suspend)
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_dbg(widget->dapm->dev, "%s ignoring suspend\n",
|
|
|
|
widget->name);
|
2010-05-07 22:11:40 +02:00
|
|
|
return widget->ignore_suspend;
|
2010-05-07 21:24:05 +02:00
|
|
|
default:
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
/*
|
|
|
|
* Recursively check for a completed path to an active or physically connected
|
|
|
|
* output widget. Returns number of complete paths.
|
|
|
|
*/
|
|
|
|
static int is_connected_output_ep(struct snd_soc_dapm_widget *widget)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int con = 0;
|
|
|
|
|
2009-04-22 19:24:55 +02:00
|
|
|
if (widget->id == snd_soc_dapm_supply)
|
|
|
|
return 0;
|
|
|
|
|
2009-08-17 18:39:22 +02:00
|
|
|
switch (widget->id) {
|
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_aif_out:
|
|
|
|
if (widget->active)
|
2010-05-07 21:24:05 +02:00
|
|
|
return snd_soc_dapm_suspend_check(widget);
|
2009-08-17 18:39:22 +02:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
if (widget->connected) {
|
|
|
|
/* connected pin ? */
|
|
|
|
if (widget->id == snd_soc_dapm_output && !widget->ext)
|
2010-05-07 21:24:05 +02:00
|
|
|
return snd_soc_dapm_suspend_check(widget);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
/* connected jack or spk ? */
|
|
|
|
if (widget->id == snd_soc_dapm_hp || widget->id == snd_soc_dapm_spk ||
|
2009-09-30 08:27:24 +02:00
|
|
|
(widget->id == snd_soc_dapm_line && !list_empty(&widget->sources)))
|
2010-05-07 21:24:05 +02:00
|
|
|
return snd_soc_dapm_suspend_check(widget);
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
list_for_each_entry(path, &widget->sinks, list_source) {
|
|
|
|
if (path->walked)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (path->sink && path->connect) {
|
|
|
|
path->walked = 1;
|
|
|
|
con += is_connected_output_ep(path->sink);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return con;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Recursively check for a completed path to an active or physically connected
|
|
|
|
* input widget. Returns number of complete paths.
|
|
|
|
*/
|
|
|
|
static int is_connected_input_ep(struct snd_soc_dapm_widget *widget)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int con = 0;
|
|
|
|
|
2009-04-22 19:24:55 +02:00
|
|
|
if (widget->id == snd_soc_dapm_supply)
|
|
|
|
return 0;
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
/* active stream ? */
|
2009-08-17 18:39:22 +02:00
|
|
|
switch (widget->id) {
|
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_aif_in:
|
|
|
|
if (widget->active)
|
2010-05-07 21:24:05 +02:00
|
|
|
return snd_soc_dapm_suspend_check(widget);
|
2009-08-17 18:39:22 +02:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
if (widget->connected) {
|
|
|
|
/* connected pin ? */
|
|
|
|
if (widget->id == snd_soc_dapm_input && !widget->ext)
|
2010-05-07 21:24:05 +02:00
|
|
|
return snd_soc_dapm_suspend_check(widget);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
/* connected VMID/Bias for lower pops */
|
|
|
|
if (widget->id == snd_soc_dapm_vmid)
|
2010-05-07 21:24:05 +02:00
|
|
|
return snd_soc_dapm_suspend_check(widget);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
/* connected jack ? */
|
2009-09-30 08:27:24 +02:00
|
|
|
if (widget->id == snd_soc_dapm_mic ||
|
|
|
|
(widget->id == snd_soc_dapm_line && !list_empty(&widget->sinks)))
|
2010-05-07 21:24:05 +02:00
|
|
|
return snd_soc_dapm_suspend_check(widget);
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
list_for_each_entry(path, &widget->sources, list_sink) {
|
|
|
|
if (path->walked)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (path->source && path->connect) {
|
|
|
|
path->walked = 1;
|
|
|
|
con += is_connected_input_ep(path->source);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return con;
|
|
|
|
}
|
|
|
|
|
2008-06-25 13:42:07 +02:00
|
|
|
/*
|
|
|
|
* Handler for generic register modifier widget.
|
|
|
|
*/
|
|
|
|
int dapm_reg_event(struct snd_soc_dapm_widget *w,
|
|
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
|
|
{
|
|
|
|
unsigned int val;
|
|
|
|
|
|
|
|
if (SND_SOC_DAPM_EVENT_ON(event))
|
|
|
|
val = w->on_val;
|
|
|
|
else
|
|
|
|
val = w->off_val;
|
|
|
|
|
|
|
|
snd_soc_update_bits(w->codec, -(w->reg + 1),
|
|
|
|
w->mask << w->shift, val << w->shift);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2008-07-29 12:42:23 +02:00
|
|
|
EXPORT_SYMBOL_GPL(dapm_reg_event);
|
2008-06-25 13:42:07 +02:00
|
|
|
|
2009-04-13 12:09:18 +02:00
|
|
|
/* Standard power change method, used to apply power changes to most
|
|
|
|
* widgets.
|
|
|
|
*/
|
|
|
|
static int dapm_generic_apply_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
/* call any power change event handlers */
|
|
|
|
if (w->event)
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_dbg(w->dapm->dev, "power %s event for %s flags %x\n",
|
2009-04-13 12:09:18 +02:00
|
|
|
w->power ? "on" : "off",
|
|
|
|
w->name, w->event_flags);
|
|
|
|
|
|
|
|
/* power up pre event */
|
|
|
|
if (w->power && w->event &&
|
|
|
|
(w->event_flags & SND_SOC_DAPM_PRE_PMU)) {
|
|
|
|
ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMU);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* power down pre event */
|
|
|
|
if (!w->power && w->event &&
|
|
|
|
(w->event_flags & SND_SOC_DAPM_PRE_PMD)) {
|
|
|
|
ret = w->event(w, NULL, SND_SOC_DAPM_PRE_PMD);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
dapm_update_bits(w);
|
|
|
|
|
|
|
|
/* power up post event */
|
|
|
|
if (w->power && w->event &&
|
|
|
|
(w->event_flags & SND_SOC_DAPM_POST_PMU)) {
|
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_POST_PMU);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* power down post event */
|
|
|
|
if (!w->power && w->event &&
|
|
|
|
(w->event_flags & SND_SOC_DAPM_POST_PMD)) {
|
|
|
|
ret = w->event(w, NULL, SND_SOC_DAPM_POST_PMD);
|
|
|
|
if (ret < 0)
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2009-04-20 17:56:59 +02:00
|
|
|
/* Generic check to see if a widget should be powered.
|
|
|
|
*/
|
|
|
|
static int dapm_generic_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
int in, out;
|
|
|
|
|
|
|
|
in = is_connected_input_ep(w);
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-20 17:56:59 +02:00
|
|
|
out = is_connected_output_ep(w);
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-20 17:56:59 +02:00
|
|
|
return out != 0 && in != 0;
|
|
|
|
}
|
|
|
|
|
2009-04-20 18:15:41 +02:00
|
|
|
/* Check to see if an ADC has power */
|
|
|
|
static int dapm_adc_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
int in;
|
|
|
|
|
|
|
|
if (w->active) {
|
|
|
|
in = is_connected_input_ep(w);
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-20 18:15:41 +02:00
|
|
|
return in != 0;
|
|
|
|
} else {
|
|
|
|
return dapm_generic_check_power(w);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check to see if a DAC has power */
|
|
|
|
static int dapm_dac_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
int out;
|
|
|
|
|
|
|
|
if (w->active) {
|
|
|
|
out = is_connected_output_ep(w);
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-20 18:15:41 +02:00
|
|
|
return out != 0;
|
|
|
|
} else {
|
|
|
|
return dapm_generic_check_power(w);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-04-22 19:24:55 +02:00
|
|
|
/* Check to see if a power supply is needed */
|
|
|
|
static int dapm_supply_check_power(struct snd_soc_dapm_widget *w)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int power = 0;
|
|
|
|
|
|
|
|
/* Check if one of our outputs is connected */
|
|
|
|
list_for_each_entry(path, &w->sinks, list_source) {
|
2009-09-08 19:59:05 +02:00
|
|
|
if (path->connected &&
|
|
|
|
!path->connected(path->source, path->sink))
|
|
|
|
continue;
|
|
|
|
|
2011-02-11 12:42:19 +01:00
|
|
|
if (!path->sink)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
if (path->sink->force) {
|
|
|
|
power = 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (path->sink->power_check &&
|
2009-04-22 19:24:55 +02:00
|
|
|
path->sink->power_check(path->sink)) {
|
|
|
|
power = 1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-04-22 19:24:55 +02:00
|
|
|
|
|
|
|
return power;
|
|
|
|
}
|
|
|
|
|
2009-06-06 20:03:23 +02:00
|
|
|
static int dapm_seq_compare(struct snd_soc_dapm_widget *a,
|
|
|
|
struct snd_soc_dapm_widget *b,
|
2011-01-15 14:14:30 +01:00
|
|
|
bool power_up)
|
2009-03-01 20:21:10 +01:00
|
|
|
{
|
2011-01-15 14:14:30 +01:00
|
|
|
int *sort;
|
|
|
|
|
|
|
|
if (power_up)
|
|
|
|
sort = dapm_up_seq;
|
|
|
|
else
|
|
|
|
sort = dapm_down_seq;
|
|
|
|
|
2009-06-06 20:03:23 +02:00
|
|
|
if (sort[a->id] != sort[b->id])
|
|
|
|
return sort[a->id] - sort[b->id];
|
2011-01-15 14:40:50 +01:00
|
|
|
if (a->subseq != b->subseq) {
|
|
|
|
if (power_up)
|
|
|
|
return a->subseq - b->subseq;
|
|
|
|
else
|
|
|
|
return b->subseq - a->subseq;
|
|
|
|
}
|
2009-06-07 13:51:26 +02:00
|
|
|
if (a->reg != b->reg)
|
|
|
|
return a->reg - b->reg;
|
2010-11-12 16:28:42 +01:00
|
|
|
if (a->dapm != b->dapm)
|
|
|
|
return (unsigned long)a->dapm - (unsigned long)b->dapm;
|
2009-03-01 20:21:10 +01:00
|
|
|
|
2009-06-06 20:03:23 +02:00
|
|
|
return 0;
|
|
|
|
}
|
2009-03-01 20:21:10 +01:00
|
|
|
|
2009-06-06 20:03:23 +02:00
|
|
|
/* Insert a widget in order into a DAPM power sequence. */
|
|
|
|
static void dapm_seq_insert(struct snd_soc_dapm_widget *new_widget,
|
|
|
|
struct list_head *list,
|
2011-01-15 14:14:30 +01:00
|
|
|
bool power_up)
|
2009-06-06 20:03:23 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
|
|
|
list_for_each_entry(w, list, power_list)
|
2011-01-15 14:14:30 +01:00
|
|
|
if (dapm_seq_compare(new_widget, w, power_up) < 0) {
|
2009-06-06 20:03:23 +02:00
|
|
|
list_add_tail(&new_widget->power_list, &w->power_list);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
list_add_tail(&new_widget->power_list, list);
|
|
|
|
}
|
|
|
|
|
2010-11-04 04:51:49 +01:00
|
|
|
static void dapm_seq_check_event(struct snd_soc_dapm_context *dapm,
|
|
|
|
struct snd_soc_dapm_widget *w, int event)
|
|
|
|
{
|
|
|
|
struct snd_soc_card *card = dapm->card;
|
|
|
|
const char *ev_name;
|
|
|
|
int power, ret;
|
|
|
|
|
|
|
|
switch (event) {
|
|
|
|
case SND_SOC_DAPM_PRE_PMU:
|
|
|
|
ev_name = "PRE_PMU";
|
|
|
|
power = 1;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_POST_PMU:
|
|
|
|
ev_name = "POST_PMU";
|
|
|
|
power = 1;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_PRE_PMD:
|
|
|
|
ev_name = "PRE_PMD";
|
|
|
|
power = 0;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_POST_PMD:
|
|
|
|
ev_name = "POST_PMD";
|
|
|
|
power = 0;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
BUG();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (w->power != power)
|
|
|
|
return;
|
|
|
|
|
|
|
|
if (w->event && (w->event_flags & event)) {
|
|
|
|
pop_dbg(dapm->dev, card->pop_time, "pop test : %s %s\n",
|
|
|
|
w->name, ev_name);
|
2010-11-04 05:07:02 +01:00
|
|
|
trace_snd_soc_dapm_widget_event_start(w, event);
|
2010-11-04 04:51:49 +01:00
|
|
|
ret = w->event(w, NULL, event);
|
2010-11-04 05:07:02 +01:00
|
|
|
trace_snd_soc_dapm_widget_event_done(w, event);
|
2010-11-04 04:51:49 +01:00
|
|
|
if (ret < 0)
|
|
|
|
pr_err("%s: %s event failed: %d\n",
|
|
|
|
ev_name, w->name, ret);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-06-07 13:51:26 +02:00
|
|
|
/* Apply the coalesced changes from a DAPM sequence */
|
2010-11-05 14:53:46 +01:00
|
|
|
static void dapm_seq_run_coalesced(struct snd_soc_dapm_context *dapm,
|
2009-06-07 13:51:26 +02:00
|
|
|
struct list_head *pending)
|
2009-06-07 11:12:52 +02:00
|
|
|
{
|
2010-11-05 19:35:21 +01:00
|
|
|
struct snd_soc_card *card = dapm->card;
|
2010-11-04 04:51:49 +01:00
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
int reg, power;
|
2009-06-07 13:51:26 +02:00
|
|
|
unsigned int value = 0;
|
|
|
|
unsigned int mask = 0;
|
|
|
|
unsigned int cur_mask;
|
|
|
|
|
|
|
|
reg = list_first_entry(pending, struct snd_soc_dapm_widget,
|
|
|
|
power_list)->reg;
|
|
|
|
|
|
|
|
list_for_each_entry(w, pending, power_list) {
|
|
|
|
cur_mask = 1 << w->shift;
|
|
|
|
BUG_ON(reg != w->reg);
|
|
|
|
|
|
|
|
if (w->invert)
|
|
|
|
power = !w->power;
|
|
|
|
else
|
|
|
|
power = w->power;
|
|
|
|
|
|
|
|
mask |= cur_mask;
|
|
|
|
if (power)
|
|
|
|
value |= cur_mask;
|
|
|
|
|
2010-11-09 13:40:28 +01:00
|
|
|
pop_dbg(dapm->dev, card->pop_time,
|
2009-06-07 13:51:26 +02:00
|
|
|
"pop test : Queue %s: reg=0x%x, 0x%x/0x%x\n",
|
|
|
|
w->name, reg, value, mask);
|
2009-06-07 14:21:24 +02:00
|
|
|
|
2010-11-04 04:51:49 +01:00
|
|
|
/* Check for events */
|
|
|
|
dapm_seq_check_event(dapm, w, SND_SOC_DAPM_PRE_PMU);
|
|
|
|
dapm_seq_check_event(dapm, w, SND_SOC_DAPM_PRE_PMD);
|
2009-06-07 14:21:24 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
if (reg >= 0) {
|
2010-11-09 13:40:28 +01:00
|
|
|
pop_dbg(dapm->dev, card->pop_time,
|
2009-06-07 14:21:24 +02:00
|
|
|
"pop test : Applying 0x%x/0x%x to %x in %dms\n",
|
2010-11-05 19:35:21 +01:00
|
|
|
value, mask, reg, card->pop_time);
|
|
|
|
pop_wait(card->pop_time);
|
2010-11-05 14:53:46 +01:00
|
|
|
snd_soc_update_bits(dapm->codec, reg, mask, value);
|
2009-06-07 13:51:26 +02:00
|
|
|
}
|
|
|
|
|
2009-06-07 14:21:24 +02:00
|
|
|
list_for_each_entry(w, pending, power_list) {
|
2010-11-04 04:51:49 +01:00
|
|
|
dapm_seq_check_event(dapm, w, SND_SOC_DAPM_POST_PMU);
|
|
|
|
dapm_seq_check_event(dapm, w, SND_SOC_DAPM_POST_PMD);
|
2009-06-07 14:21:24 +02:00
|
|
|
}
|
2009-06-07 13:51:26 +02:00
|
|
|
}
|
2009-03-01 20:21:10 +01:00
|
|
|
|
2009-06-07 13:51:26 +02:00
|
|
|
/* Apply a DAPM power sequence.
|
|
|
|
*
|
|
|
|
* We walk over a pre-sorted list of widgets to apply power to. In
|
|
|
|
* order to minimise the number of writes to the device required
|
|
|
|
* multiple widgets will be updated in a single write where possible.
|
|
|
|
* Currently anything that requires more than a single write is not
|
|
|
|
* handled.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
static void dapm_seq_run(struct snd_soc_dapm_context *dapm,
|
2011-01-15 14:14:30 +01:00
|
|
|
struct list_head *list, int event, bool power_up)
|
2009-06-07 13:51:26 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w, *n;
|
|
|
|
LIST_HEAD(pending);
|
|
|
|
int cur_sort = -1;
|
2011-01-15 14:40:50 +01:00
|
|
|
int cur_subseq = -1;
|
2009-06-07 13:51:26 +02:00
|
|
|
int cur_reg = SND_SOC_NOPM;
|
2010-12-14 11:18:32 +01:00
|
|
|
struct snd_soc_dapm_context *cur_dapm = NULL;
|
2011-01-18 17:14:44 +01:00
|
|
|
int ret, i;
|
2011-01-15 14:14:30 +01:00
|
|
|
int *sort;
|
|
|
|
|
|
|
|
if (power_up)
|
|
|
|
sort = dapm_up_seq;
|
|
|
|
else
|
|
|
|
sort = dapm_down_seq;
|
2009-06-07 11:12:52 +02:00
|
|
|
|
2009-06-07 13:51:26 +02:00
|
|
|
list_for_each_entry_safe(w, n, list, power_list) {
|
|
|
|
ret = 0;
|
|
|
|
|
|
|
|
/* Do we need to apply any queued changes? */
|
2010-12-14 11:18:32 +01:00
|
|
|
if (sort[w->id] != cur_sort || w->reg != cur_reg ||
|
2011-01-15 14:40:50 +01:00
|
|
|
w->dapm != cur_dapm || w->subseq != cur_subseq) {
|
2009-06-07 13:51:26 +02:00
|
|
|
if (!list_empty(&pending))
|
2010-12-14 11:18:32 +01:00
|
|
|
dapm_seq_run_coalesced(cur_dapm, &pending);
|
2009-06-07 13:51:26 +02:00
|
|
|
|
2011-01-18 17:14:44 +01:00
|
|
|
if (cur_dapm && cur_dapm->seq_notifier) {
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
|
|
|
|
if (sort[i] == cur_sort)
|
|
|
|
cur_dapm->seq_notifier(cur_dapm,
|
2011-01-26 22:41:28 +01:00
|
|
|
i,
|
|
|
|
cur_subseq);
|
2011-01-18 17:14:44 +01:00
|
|
|
}
|
|
|
|
|
2009-06-07 13:51:26 +02:00
|
|
|
INIT_LIST_HEAD(&pending);
|
|
|
|
cur_sort = -1;
|
2011-01-15 14:40:50 +01:00
|
|
|
cur_subseq = -1;
|
2009-06-07 13:51:26 +02:00
|
|
|
cur_reg = SND_SOC_NOPM;
|
2010-12-14 11:18:32 +01:00
|
|
|
cur_dapm = NULL;
|
2009-06-07 13:51:26 +02:00
|
|
|
}
|
|
|
|
|
2009-06-07 11:12:52 +02:00
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
if (!w->event)
|
2009-06-07 13:51:26 +02:00
|
|
|
list_for_each_entry_safe_continue(w, n, list,
|
|
|
|
power_list);
|
2009-06-07 11:12:52 +02:00
|
|
|
|
2009-06-07 13:51:26 +02:00
|
|
|
if (event == SND_SOC_DAPM_STREAM_START)
|
2009-06-07 11:12:52 +02:00
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_PRE_PMU);
|
2009-06-07 13:51:26 +02:00
|
|
|
else if (event == SND_SOC_DAPM_STREAM_STOP)
|
2009-06-07 11:12:52 +02:00
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_PRE_PMD);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case snd_soc_dapm_post:
|
|
|
|
if (!w->event)
|
2009-06-07 13:51:26 +02:00
|
|
|
list_for_each_entry_safe_continue(w, n, list,
|
|
|
|
power_list);
|
2009-06-07 11:12:52 +02:00
|
|
|
|
2009-06-07 13:51:26 +02:00
|
|
|
if (event == SND_SOC_DAPM_STREAM_START)
|
2009-06-07 11:12:52 +02:00
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_POST_PMU);
|
2009-06-07 13:51:26 +02:00
|
|
|
else if (event == SND_SOC_DAPM_STREAM_STOP)
|
2009-06-07 11:12:52 +02:00
|
|
|
ret = w->event(w,
|
|
|
|
NULL, SND_SOC_DAPM_POST_PMD);
|
|
|
|
break;
|
|
|
|
|
2009-06-07 13:51:26 +02:00
|
|
|
case snd_soc_dapm_input:
|
|
|
|
case snd_soc_dapm_output:
|
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_line:
|
|
|
|
case snd_soc_dapm_spk:
|
|
|
|
/* No register support currently */
|
2009-06-07 11:12:52 +02:00
|
|
|
ret = dapm_generic_apply_power(w);
|
|
|
|
break;
|
2009-06-07 13:51:26 +02:00
|
|
|
|
|
|
|
default:
|
2009-06-07 14:21:24 +02:00
|
|
|
/* Queue it up for application */
|
|
|
|
cur_sort = sort[w->id];
|
2011-01-15 14:40:50 +01:00
|
|
|
cur_subseq = w->subseq;
|
2009-06-07 14:21:24 +02:00
|
|
|
cur_reg = w->reg;
|
2010-12-14 11:18:32 +01:00
|
|
|
cur_dapm = w->dapm;
|
2009-06-07 14:21:24 +02:00
|
|
|
list_move(&w->power_list, &pending);
|
|
|
|
break;
|
2009-06-07 11:12:52 +02:00
|
|
|
}
|
2009-06-07 13:51:26 +02:00
|
|
|
|
|
|
|
if (ret < 0)
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(w->dapm->dev,
|
|
|
|
"Failed to apply widget power: %d\n", ret);
|
2009-04-20 18:15:41 +02:00
|
|
|
}
|
2009-06-07 13:51:26 +02:00
|
|
|
|
|
|
|
if (!list_empty(&pending))
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_seq_run_coalesced(dapm, &pending);
|
2011-01-18 17:14:44 +01:00
|
|
|
|
|
|
|
if (cur_dapm && cur_dapm->seq_notifier) {
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++)
|
|
|
|
if (sort[i] == cur_sort)
|
|
|
|
cur_dapm->seq_notifier(cur_dapm,
|
2011-01-26 22:41:28 +01:00
|
|
|
i, cur_subseq);
|
2011-01-18 17:14:44 +01:00
|
|
|
}
|
2009-03-01 20:21:10 +01:00
|
|
|
}
|
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
static void dapm_widget_update(struct snd_soc_dapm_context *dapm)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_update *update = dapm->update;
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!update)
|
|
|
|
return;
|
|
|
|
|
|
|
|
w = update->widget;
|
|
|
|
|
|
|
|
if (w->event &&
|
|
|
|
(w->event_flags & SND_SOC_DAPM_PRE_REG)) {
|
|
|
|
ret = w->event(w, update->kcontrol, SND_SOC_DAPM_PRE_REG);
|
|
|
|
if (ret != 0)
|
|
|
|
pr_err("%s DAPM pre-event failed: %d\n",
|
|
|
|
w->name, ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = snd_soc_update_bits(w->codec, update->reg, update->mask,
|
|
|
|
update->val);
|
|
|
|
if (ret < 0)
|
|
|
|
pr_err("%s DAPM update failed: %d\n", w->name, ret);
|
|
|
|
|
|
|
|
if (w->event &&
|
|
|
|
(w->event_flags & SND_SOC_DAPM_POST_REG)) {
|
|
|
|
ret = w->event(w, update->kcontrol, SND_SOC_DAPM_POST_REG);
|
|
|
|
if (ret != 0)
|
|
|
|
pr_err("%s DAPM post-event failed: %d\n",
|
|
|
|
w->name, ret);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
/*
|
|
|
|
* Scan each dapm widget for complete audio path.
|
|
|
|
* A complete path is a route that has valid endpoints i.e.:-
|
|
|
|
*
|
|
|
|
* o DAC to output pin.
|
|
|
|
* o Input Pin to ADC.
|
|
|
|
* o Input pin to Output pin (bypass, sidetone)
|
|
|
|
* o DAC to ADC (loopback).
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
2010-11-05 14:53:46 +01:00
|
|
|
struct snd_soc_card *card = dapm->codec->card;
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_dapm_widget *w;
|
2010-12-14 11:18:32 +01:00
|
|
|
struct snd_soc_dapm_context *d;
|
2009-06-07 14:57:17 +02:00
|
|
|
LIST_HEAD(up_list);
|
|
|
|
LIST_HEAD(down_list);
|
2009-05-16 18:47:29 +02:00
|
|
|
int ret = 0;
|
2009-06-06 20:03:23 +02:00
|
|
|
int power;
|
2009-05-16 18:47:29 +02:00
|
|
|
|
2010-11-04 05:07:02 +01:00
|
|
|
trace_snd_soc_dapm_start(card);
|
|
|
|
|
2010-12-14 11:18:32 +01:00
|
|
|
list_for_each_entry(d, &card->dapm_list, list)
|
|
|
|
if (d->n_widgets)
|
|
|
|
d->dev_power = 0;
|
|
|
|
|
2009-05-16 18:47:29 +02:00
|
|
|
/* Check which widgets we need to power and store them in
|
|
|
|
* lists indicating if they should be powered up or down.
|
|
|
|
*/
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &card->widgets, list) {
|
2009-05-16 18:47:29 +02:00
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_pre:
|
2011-01-15 14:14:30 +01:00
|
|
|
dapm_seq_insert(w, &down_list, false);
|
2009-05-16 18:47:29 +02:00
|
|
|
break;
|
|
|
|
case snd_soc_dapm_post:
|
2011-01-15 14:14:30 +01:00
|
|
|
dapm_seq_insert(w, &up_list, true);
|
2009-05-16 18:47:29 +02:00
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
if (!w->power_check)
|
|
|
|
continue;
|
|
|
|
|
2010-05-07 21:24:05 +02:00
|
|
|
if (!w->force)
|
2009-11-23 14:11:53 +01:00
|
|
|
power = w->power_check(w);
|
2010-05-07 21:24:05 +02:00
|
|
|
else
|
|
|
|
power = 1;
|
|
|
|
if (power)
|
2010-12-14 11:18:32 +01:00
|
|
|
w->dapm->dev_power = 1;
|
2009-05-17 22:41:23 +02:00
|
|
|
|
2009-05-16 18:47:29 +02:00
|
|
|
if (w->power == power)
|
|
|
|
continue;
|
|
|
|
|
2010-11-04 05:07:02 +01:00
|
|
|
trace_snd_soc_dapm_widget_power(w, power);
|
|
|
|
|
2009-05-16 18:47:29 +02:00
|
|
|
if (power)
|
2011-01-15 14:14:30 +01:00
|
|
|
dapm_seq_insert(w, &up_list, true);
|
2009-05-16 18:47:29 +02:00
|
|
|
else
|
2011-01-15 14:14:30 +01:00
|
|
|
dapm_seq_insert(w, &down_list, false);
|
2009-05-16 18:47:29 +02:00
|
|
|
|
|
|
|
w->power = power;
|
|
|
|
break;
|
|
|
|
}
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
|
2009-08-17 12:55:38 +02:00
|
|
|
/* If there are no DAPM widgets then try to figure out power from the
|
|
|
|
* event type.
|
|
|
|
*/
|
2010-12-14 11:18:31 +01:00
|
|
|
if (!dapm->n_widgets) {
|
2009-08-17 12:55:38 +02:00
|
|
|
switch (event) {
|
|
|
|
case SND_SOC_DAPM_STREAM_START:
|
|
|
|
case SND_SOC_DAPM_STREAM_RESUME:
|
2010-12-14 11:18:32 +01:00
|
|
|
dapm->dev_power = 1;
|
2009-08-17 12:55:38 +02:00
|
|
|
break;
|
2010-12-10 19:53:55 +01:00
|
|
|
case SND_SOC_DAPM_STREAM_STOP:
|
2010-12-14 11:18:32 +01:00
|
|
|
dapm->dev_power = !!dapm->codec->active;
|
2010-12-10 19:53:55 +01:00
|
|
|
break;
|
2009-11-23 14:11:53 +01:00
|
|
|
case SND_SOC_DAPM_STREAM_SUSPEND:
|
2010-12-14 11:18:32 +01:00
|
|
|
dapm->dev_power = 0;
|
2009-11-23 14:11:53 +01:00
|
|
|
break;
|
2009-08-17 12:55:38 +02:00
|
|
|
case SND_SOC_DAPM_STREAM_NOP:
|
2010-11-05 14:53:46 +01:00
|
|
|
switch (dapm->bias_level) {
|
2010-01-19 23:49:43 +01:00
|
|
|
case SND_SOC_BIAS_STANDBY:
|
|
|
|
case SND_SOC_BIAS_OFF:
|
2010-12-14 11:18:32 +01:00
|
|
|
dapm->dev_power = 0;
|
2010-01-19 23:49:43 +01:00
|
|
|
break;
|
|
|
|
default:
|
2010-12-14 11:18:32 +01:00
|
|
|
dapm->dev_power = 1;
|
2010-01-19 23:49:43 +01:00
|
|
|
break;
|
|
|
|
}
|
2009-11-23 14:11:53 +01:00
|
|
|
break;
|
2009-08-17 12:55:38 +02:00
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-12-14 11:18:32 +01:00
|
|
|
list_for_each_entry(d, &dapm->card->dapm_list, list) {
|
|
|
|
if (d->dev_power && d->bias_level == SND_SOC_BIAS_OFF) {
|
2011-02-18 20:12:42 +01:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d,
|
2010-12-14 11:18:32 +01:00
|
|
|
SND_SOC_BIAS_STANDBY);
|
|
|
|
if (ret != 0)
|
|
|
|
dev_err(d->dev,
|
|
|
|
"Failed to turn on bias: %d\n", ret);
|
|
|
|
}
|
2010-01-19 23:49:43 +01:00
|
|
|
|
2010-12-14 11:18:32 +01:00
|
|
|
/* If we're changing to all on or all off then prepare */
|
|
|
|
if ((d->dev_power && d->bias_level == SND_SOC_BIAS_STANDBY) ||
|
|
|
|
(!d->dev_power && d->bias_level == SND_SOC_BIAS_ON)) {
|
2011-02-18 20:12:42 +01:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d,
|
2010-12-14 11:18:32 +01:00
|
|
|
SND_SOC_BIAS_PREPARE);
|
|
|
|
if (ret != 0)
|
|
|
|
dev_err(d->dev,
|
|
|
|
"Failed to prepare bias: %d\n", ret);
|
|
|
|
}
|
2009-05-17 22:41:23 +02:00
|
|
|
}
|
|
|
|
|
2009-05-16 18:47:29 +02:00
|
|
|
/* Power down widgets first; try to avoid amplifying pops. */
|
2011-01-15 14:14:30 +01:00
|
|
|
dapm_seq_run(dapm, &down_list, event, false);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
dapm_widget_update(dapm);
|
|
|
|
|
2009-05-16 18:47:29 +02:00
|
|
|
/* Now power up. */
|
2011-01-15 14:14:30 +01:00
|
|
|
dapm_seq_run(dapm, &up_list, event, true);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2010-12-14 11:18:32 +01:00
|
|
|
list_for_each_entry(d, &dapm->card->dapm_list, list) {
|
|
|
|
/* If we just powered the last thing off drop to standby bias */
|
|
|
|
if (d->bias_level == SND_SOC_BIAS_PREPARE && !d->dev_power) {
|
2011-02-18 20:12:42 +01:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d,
|
2010-12-14 11:18:32 +01:00
|
|
|
SND_SOC_BIAS_STANDBY);
|
|
|
|
if (ret != 0)
|
|
|
|
dev_err(d->dev,
|
|
|
|
"Failed to apply standby bias: %d\n",
|
|
|
|
ret);
|
|
|
|
}
|
2009-05-17 22:41:23 +02:00
|
|
|
|
2010-12-14 11:18:32 +01:00
|
|
|
/* If we're in standby and can support bias off then do that */
|
|
|
|
if (d->bias_level == SND_SOC_BIAS_STANDBY &&
|
|
|
|
d->idle_bias_off) {
|
2011-02-18 20:12:42 +01:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d,
|
2010-12-14 11:18:32 +01:00
|
|
|
SND_SOC_BIAS_OFF);
|
|
|
|
if (ret != 0)
|
|
|
|
dev_err(d->dev,
|
|
|
|
"Failed to turn off bias: %d\n", ret);
|
|
|
|
}
|
2010-01-19 23:49:43 +01:00
|
|
|
|
2010-12-14 11:18:32 +01:00
|
|
|
/* If we just powered up then move to active bias */
|
|
|
|
if (d->bias_level == SND_SOC_BIAS_PREPARE && d->dev_power) {
|
2011-02-18 20:12:42 +01:00
|
|
|
ret = snd_soc_dapm_set_bias_level(d,
|
2010-12-14 11:18:32 +01:00
|
|
|
SND_SOC_BIAS_ON);
|
|
|
|
if (ret != 0)
|
|
|
|
dev_err(d->dev,
|
|
|
|
"Failed to apply active bias: %d\n",
|
|
|
|
ret);
|
|
|
|
}
|
2009-05-17 22:41:23 +02:00
|
|
|
}
|
|
|
|
|
2010-11-09 13:40:28 +01:00
|
|
|
pop_dbg(dapm->dev, card->pop_time,
|
|
|
|
"DAPM sequencing finished, waiting %dms\n", card->pop_time);
|
2010-11-05 19:35:21 +01:00
|
|
|
pop_wait(card->pop_time);
|
2009-07-08 19:54:57 +02:00
|
|
|
|
2010-11-04 05:07:02 +01:00
|
|
|
trace_snd_soc_dapm_done(card);
|
|
|
|
|
2009-03-01 20:21:10 +01:00
|
|
|
return 0;
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
|
2009-08-21 17:38:13 +02:00
|
|
|
#ifdef CONFIG_DEBUG_FS
|
|
|
|
static int dapm_widget_power_open_file(struct inode *inode, struct file *file)
|
|
|
|
{
|
|
|
|
file->private_data = inode->i_private;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static ssize_t dapm_widget_power_read_file(struct file *file,
|
|
|
|
char __user *user_buf,
|
|
|
|
size_t count, loff_t *ppos)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w = file->private_data;
|
|
|
|
char *buf;
|
|
|
|
int in, out;
|
|
|
|
ssize_t ret;
|
|
|
|
struct snd_soc_dapm_path *p = NULL;
|
|
|
|
|
|
|
|
buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
|
|
|
|
if (!buf)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
in = is_connected_input_ep(w);
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-08-21 17:38:13 +02:00
|
|
|
out = is_connected_output_ep(w);
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_clear_walk(w->dapm);
|
2009-08-21 17:38:13 +02:00
|
|
|
|
2009-12-04 16:25:56 +01:00
|
|
|
ret = snprintf(buf, PAGE_SIZE, "%s: %s in %d out %d",
|
2009-08-21 17:38:13 +02:00
|
|
|
w->name, w->power ? "On" : "Off", in, out);
|
|
|
|
|
2009-12-04 16:25:56 +01:00
|
|
|
if (w->reg >= 0)
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret,
|
|
|
|
" - R%d(0x%x) bit %d",
|
|
|
|
w->reg, w->reg, w->shift);
|
|
|
|
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n");
|
|
|
|
|
2009-09-14 17:49:00 +02:00
|
|
|
if (w->sname)
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret, " stream %s %s\n",
|
|
|
|
w->sname,
|
|
|
|
w->active ? "active" : "inactive");
|
2009-08-21 17:38:13 +02:00
|
|
|
|
|
|
|
list_for_each_entry(p, &w->sources, list_sink) {
|
2009-09-08 19:59:05 +02:00
|
|
|
if (p->connected && !p->connected(w, p->sink))
|
|
|
|
continue;
|
|
|
|
|
2009-08-21 17:38:13 +02:00
|
|
|
if (p->connect)
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret,
|
|
|
|
" in %s %s\n",
|
|
|
|
p->name ? p->name : "static",
|
|
|
|
p->source->name);
|
|
|
|
}
|
|
|
|
list_for_each_entry(p, &w->sinks, list_source) {
|
2009-09-08 19:59:05 +02:00
|
|
|
if (p->connected && !p->connected(w, p->sink))
|
|
|
|
continue;
|
|
|
|
|
2009-08-21 17:38:13 +02:00
|
|
|
if (p->connect)
|
|
|
|
ret += snprintf(buf + ret, PAGE_SIZE - ret,
|
|
|
|
" out %s %s\n",
|
|
|
|
p->name ? p->name : "static",
|
|
|
|
p->sink->name);
|
|
|
|
}
|
|
|
|
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
|
|
|
|
|
|
|
|
kfree(buf);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static const struct file_operations dapm_widget_power_fops = {
|
|
|
|
.open = dapm_widget_power_open_file,
|
|
|
|
.read = dapm_widget_power_read_file,
|
llseek: automatically add .llseek fop
All file_operations should get a .llseek operation so we can make
nonseekable_open the default for future file operations without a
.llseek pointer.
The three cases that we can automatically detect are no_llseek, seq_lseek
and default_llseek. For cases where we can we can automatically prove that
the file offset is always ignored, we use noop_llseek, which maintains
the current behavior of not returning an error from a seek.
New drivers should normally not use noop_llseek but instead use no_llseek
and call nonseekable_open at open time. Existing drivers can be converted
to do the same when the maintainer knows for certain that no user code
relies on calling seek on the device file.
The generated code is often incorrectly indented and right now contains
comments that clarify for each added line why a specific variant was
chosen. In the version that gets submitted upstream, the comments will
be gone and I will manually fix the indentation, because there does not
seem to be a way to do that using coccinelle.
Some amount of new code is currently sitting in linux-next that should get
the same modifications, which I will do at the end of the merge window.
Many thanks to Julia Lawall for helping me learn to write a semantic
patch that does all this.
===== begin semantic patch =====
// This adds an llseek= method to all file operations,
// as a preparation for making no_llseek the default.
//
// The rules are
// - use no_llseek explicitly if we do nonseekable_open
// - use seq_lseek for sequential files
// - use default_llseek if we know we access f_pos
// - use noop_llseek if we know we don't access f_pos,
// but we still want to allow users to call lseek
//
@ open1 exists @
identifier nested_open;
@@
nested_open(...)
{
<+...
nonseekable_open(...)
...+>
}
@ open exists@
identifier open_f;
identifier i, f;
identifier open1.nested_open;
@@
int open_f(struct inode *i, struct file *f)
{
<+...
(
nonseekable_open(...)
|
nested_open(...)
)
...+>
}
@ read disable optional_qualifier exists @
identifier read_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
expression E;
identifier func;
@@
ssize_t read_f(struct file *f, char *p, size_t s, loff_t *off)
{
<+...
(
*off = E
|
*off += E
|
func(..., off, ...)
|
E = *off
)
...+>
}
@ read_no_fpos disable optional_qualifier exists @
identifier read_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
@@
ssize_t read_f(struct file *f, char *p, size_t s, loff_t *off)
{
... when != off
}
@ write @
identifier write_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
expression E;
identifier func;
@@
ssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off)
{
<+...
(
*off = E
|
*off += E
|
func(..., off, ...)
|
E = *off
)
...+>
}
@ write_no_fpos @
identifier write_f;
identifier f, p, s, off;
type ssize_t, size_t, loff_t;
@@
ssize_t write_f(struct file *f, const char *p, size_t s, loff_t *off)
{
... when != off
}
@ fops0 @
identifier fops;
@@
struct file_operations fops = {
...
};
@ has_llseek depends on fops0 @
identifier fops0.fops;
identifier llseek_f;
@@
struct file_operations fops = {
...
.llseek = llseek_f,
...
};
@ has_read depends on fops0 @
identifier fops0.fops;
identifier read_f;
@@
struct file_operations fops = {
...
.read = read_f,
...
};
@ has_write depends on fops0 @
identifier fops0.fops;
identifier write_f;
@@
struct file_operations fops = {
...
.write = write_f,
...
};
@ has_open depends on fops0 @
identifier fops0.fops;
identifier open_f;
@@
struct file_operations fops = {
...
.open = open_f,
...
};
// use no_llseek if we call nonseekable_open
////////////////////////////////////////////
@ nonseekable1 depends on !has_llseek && has_open @
identifier fops0.fops;
identifier nso ~= "nonseekable_open";
@@
struct file_operations fops = {
... .open = nso, ...
+.llseek = no_llseek, /* nonseekable */
};
@ nonseekable2 depends on !has_llseek @
identifier fops0.fops;
identifier open.open_f;
@@
struct file_operations fops = {
... .open = open_f, ...
+.llseek = no_llseek, /* open uses nonseekable */
};
// use seq_lseek for sequential files
/////////////////////////////////////
@ seq depends on !has_llseek @
identifier fops0.fops;
identifier sr ~= "seq_read";
@@
struct file_operations fops = {
... .read = sr, ...
+.llseek = seq_lseek, /* we have seq_read */
};
// use default_llseek if there is a readdir
///////////////////////////////////////////
@ fops1 depends on !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier readdir_e;
@@
// any other fop is used that changes pos
struct file_operations fops = {
... .readdir = readdir_e, ...
+.llseek = default_llseek, /* readdir is present */
};
// use default_llseek if at least one of read/write touches f_pos
/////////////////////////////////////////////////////////////////
@ fops2 depends on !fops1 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read.read_f;
@@
// read fops use offset
struct file_operations fops = {
... .read = read_f, ...
+.llseek = default_llseek, /* read accesses f_pos */
};
@ fops3 depends on !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier write.write_f;
@@
// write fops use offset
struct file_operations fops = {
... .write = write_f, ...
+ .llseek = default_llseek, /* write accesses f_pos */
};
// Use noop_llseek if neither read nor write accesses f_pos
///////////////////////////////////////////////////////////
@ fops4 depends on !fops1 && !fops2 && !fops3 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read_no_fpos.read_f;
identifier write_no_fpos.write_f;
@@
// write fops use offset
struct file_operations fops = {
...
.write = write_f,
.read = read_f,
...
+.llseek = noop_llseek, /* read and write both use no f_pos */
};
@ depends on has_write && !has_read && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier write_no_fpos.write_f;
@@
struct file_operations fops = {
... .write = write_f, ...
+.llseek = noop_llseek, /* write uses no f_pos */
};
@ depends on has_read && !has_write && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
identifier read_no_fpos.read_f;
@@
struct file_operations fops = {
... .read = read_f, ...
+.llseek = noop_llseek, /* read uses no f_pos */
};
@ depends on !has_read && !has_write && !fops1 && !fops2 && !has_llseek && !nonseekable1 && !nonseekable2 && !seq @
identifier fops0.fops;
@@
struct file_operations fops = {
...
+.llseek = noop_llseek, /* no read or write fn */
};
===== End semantic patch =====
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Julia Lawall <julia@diku.dk>
Cc: Christoph Hellwig <hch@infradead.org>
2010-08-15 18:52:59 +02:00
|
|
|
.llseek = default_llseek,
|
2009-08-21 17:38:13 +02:00
|
|
|
};
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm)
|
2009-08-21 17:38:13 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
struct dentry *d;
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
if (!dapm->debugfs_dapm)
|
2009-08-21 17:38:13 +02:00
|
|
|
return;
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
|
|
|
if (!w->name || w->dapm != dapm)
|
2009-08-21 17:38:13 +02:00
|
|
|
continue;
|
|
|
|
|
|
|
|
d = debugfs_create_file(w->name, 0444,
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm->debugfs_dapm, w,
|
2009-08-21 17:38:13 +02:00
|
|
|
&dapm_widget_power_fops);
|
|
|
|
if (!d)
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_warn(w->dapm->dev,
|
|
|
|
"ASoC: Failed to create %s debugfs file\n",
|
|
|
|
w->name);
|
2009-08-21 17:38:13 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
#else
|
2010-11-05 14:53:46 +01:00
|
|
|
void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm)
|
2009-08-21 17:38:13 +02:00
|
|
|
{
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
/* test and update the power status of a mux widget */
|
2006-11-28 12:10:09 +01:00
|
|
|
static int dapm_mux_update_power(struct snd_soc_dapm_widget *widget,
|
2009-10-05 18:23:30 +02:00
|
|
|
struct snd_kcontrol *kcontrol, int change,
|
|
|
|
int mux, struct soc_enum *e)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int found = 0;
|
|
|
|
|
2009-01-15 13:40:47 +01:00
|
|
|
if (widget->id != snd_soc_dapm_mux &&
|
2010-12-16 16:53:39 +01:00
|
|
|
widget->id != snd_soc_dapm_virt_mux &&
|
2009-01-15 13:40:47 +01:00
|
|
|
widget->id != snd_soc_dapm_value_mux)
|
2006-10-06 18:32:18 +02:00
|
|
|
return -ENODEV;
|
|
|
|
|
2009-10-05 18:23:30 +02:00
|
|
|
if (!change)
|
2006-10-06 18:32:18 +02:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* find dapm widget path assoc with kcontrol */
|
2010-12-14 11:18:30 +01:00
|
|
|
list_for_each_entry(path, &widget->dapm->card->paths, list) {
|
2006-10-06 18:32:18 +02:00
|
|
|
if (path->kcontrol != kcontrol)
|
|
|
|
continue;
|
|
|
|
|
2008-10-07 02:05:20 +02:00
|
|
|
if (!path->name || !e->texts[mux])
|
2006-10-06 18:32:18 +02:00
|
|
|
continue;
|
|
|
|
|
|
|
|
found = 1;
|
|
|
|
/* we now need to match the string in the enum to the path */
|
2008-10-07 02:05:20 +02:00
|
|
|
if (!(strcmp(path->name, e->texts[mux])))
|
2006-10-06 18:32:18 +02:00
|
|
|
path->connect = 1; /* new connection */
|
|
|
|
else
|
|
|
|
path->connect = 0; /* old connection must be powered down */
|
|
|
|
}
|
|
|
|
|
2010-01-20 19:18:35 +01:00
|
|
|
if (found)
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-01-10 14:39:46 +01:00
|
|
|
/* test and update the power status of a mixer or switch widget */
|
2006-11-28 12:10:09 +01:00
|
|
|
static int dapm_mixer_update_power(struct snd_soc_dapm_widget *widget,
|
2009-12-07 19:09:03 +01:00
|
|
|
struct snd_kcontrol *kcontrol, int connect)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
int found = 0;
|
|
|
|
|
2008-01-10 14:39:46 +01:00
|
|
|
if (widget->id != snd_soc_dapm_mixer &&
|
2009-01-06 21:11:51 +01:00
|
|
|
widget->id != snd_soc_dapm_mixer_named_ctl &&
|
2008-01-10 14:39:46 +01:00
|
|
|
widget->id != snd_soc_dapm_switch)
|
2006-10-06 18:32:18 +02:00
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
/* find dapm widget path assoc with kcontrol */
|
2010-12-14 11:18:30 +01:00
|
|
|
list_for_each_entry(path, &widget->dapm->card->paths, list) {
|
2006-10-06 18:32:18 +02:00
|
|
|
if (path->kcontrol != kcontrol)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* found, now check type */
|
|
|
|
found = 1;
|
2009-12-07 19:09:03 +01:00
|
|
|
path->connect = connect;
|
2006-10-06 18:32:18 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2010-01-20 19:18:35 +01:00
|
|
|
if (found)
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_power_widgets(widget->dapm, SND_SOC_DAPM_STREAM_NOP);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* show dapm widget status in sys fs */
|
|
|
|
static ssize_t dapm_widget_show(struct device *dev,
|
|
|
|
struct device_attribute *attr, char *buf)
|
|
|
|
{
|
2010-03-17 21:15:21 +01:00
|
|
|
struct snd_soc_pcm_runtime *rtd =
|
|
|
|
container_of(dev, struct snd_soc_pcm_runtime, dev);
|
|
|
|
struct snd_soc_codec *codec =rtd->codec;
|
2006-10-06 18:32:18 +02:00
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
int count = 0;
|
|
|
|
char *state = "not set";
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &codec->card->widgets, list) {
|
|
|
|
if (w->dapm != &codec->dapm)
|
|
|
|
continue;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
/* only display widgets that burnm power */
|
|
|
|
switch (w->id) {
|
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_spk:
|
|
|
|
case snd_soc_dapm_line:
|
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_pga:
|
2010-12-11 04:11:44 +01:00
|
|
|
case snd_soc_dapm_out_drv:
|
2006-10-06 18:32:18 +02:00
|
|
|
case snd_soc_dapm_mixer:
|
2009-01-06 21:11:51 +01:00
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
2009-04-22 19:24:55 +02:00
|
|
|
case snd_soc_dapm_supply:
|
2006-10-06 18:32:18 +02:00
|
|
|
if (w->name)
|
|
|
|
count += sprintf(buf + count, "%s: %s\n",
|
|
|
|
w->name, w->power ? "On":"Off");
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
switch (codec->dapm.bias_level) {
|
2008-05-19 12:31:28 +02:00
|
|
|
case SND_SOC_BIAS_ON:
|
|
|
|
state = "On";
|
2006-10-06 18:32:18 +02:00
|
|
|
break;
|
2008-05-19 12:31:28 +02:00
|
|
|
case SND_SOC_BIAS_PREPARE:
|
|
|
|
state = "Prepare";
|
2006-10-06 18:32:18 +02:00
|
|
|
break;
|
2008-05-19 12:31:28 +02:00
|
|
|
case SND_SOC_BIAS_STANDBY:
|
|
|
|
state = "Standby";
|
2006-10-06 18:32:18 +02:00
|
|
|
break;
|
2008-05-19 12:31:28 +02:00
|
|
|
case SND_SOC_BIAS_OFF:
|
|
|
|
state = "Off";
|
2006-10-06 18:32:18 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
count += sprintf(buf + count, "PM State: %s\n", state);
|
|
|
|
|
|
|
|
return count;
|
|
|
|
}
|
|
|
|
|
|
|
|
static DEVICE_ATTR(dapm_widget, 0444, dapm_widget_show, NULL);
|
|
|
|
|
|
|
|
int snd_soc_dapm_sys_add(struct device *dev)
|
|
|
|
{
|
2008-10-14 02:42:14 +02:00
|
|
|
return device_create_file(dev, &dev_attr_dapm_widget);
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static void snd_soc_dapm_sys_remove(struct device *dev)
|
|
|
|
{
|
2009-05-16 18:53:16 +02:00
|
|
|
device_remove_file(dev, &dev_attr_dapm_widget);
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
/* free all dapm widgets and resources */
|
2010-11-05 14:53:46 +01:00
|
|
|
static void dapm_free_widgets(struct snd_soc_dapm_context *dapm)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w, *next_w;
|
|
|
|
struct snd_soc_dapm_path *p, *next_p;
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry_safe(w, next_w, &dapm->card->widgets, list) {
|
|
|
|
if (w->dapm != dapm)
|
|
|
|
continue;
|
2006-10-06 18:32:18 +02:00
|
|
|
list_del(&w->list);
|
2010-12-14 11:18:30 +01:00
|
|
|
/*
|
|
|
|
* remove source and sink paths associated to this widget.
|
|
|
|
* While removing the path, remove reference to it from both
|
|
|
|
* source and sink widgets so that path is removed only once.
|
|
|
|
*/
|
|
|
|
list_for_each_entry_safe(p, next_p, &w->sources, list_sink) {
|
|
|
|
list_del(&p->list_sink);
|
|
|
|
list_del(&p->list_source);
|
|
|
|
list_del(&p->list);
|
|
|
|
kfree(p->long_name);
|
|
|
|
kfree(p);
|
|
|
|
}
|
|
|
|
list_for_each_entry_safe(p, next_p, &w->sinks, list_source) {
|
|
|
|
list_del(&p->list_sink);
|
|
|
|
list_del(&p->list_source);
|
|
|
|
list_del(&p->list);
|
|
|
|
kfree(p->long_name);
|
|
|
|
kfree(p);
|
|
|
|
}
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-13 19:40:44 +01:00
|
|
|
kfree(w->name);
|
2006-10-06 18:32:18 +02:00
|
|
|
kfree(w);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm,
|
2009-01-07 19:25:13 +01:00
|
|
|
const char *pin, int status)
|
2008-07-07 14:35:17 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
|
|
|
if (w->dapm != dapm)
|
|
|
|
continue;
|
2008-07-07 14:35:17 +02:00
|
|
|
if (!strcmp(w->name, pin)) {
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_dbg(w->dapm->dev, "dapm: pin %s = %d\n",
|
|
|
|
pin, status);
|
2008-07-07 14:35:17 +02:00
|
|
|
w->connected = status;
|
2010-03-22 14:36:13 +01:00
|
|
|
/* Allow disabling of forced pins */
|
|
|
|
if (status == 0)
|
|
|
|
w->force = 0;
|
2008-07-07 14:35:17 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
|
2008-07-07 14:35:17 +02:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
/**
|
2008-07-07 14:35:17 +02:00
|
|
|
* snd_soc_dapm_sync - scan and power dapm paths
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2006-10-06 18:32:18 +02:00
|
|
|
*
|
|
|
|
* Walks all dapm audio paths and powers widgets according to their
|
|
|
|
* stream or path usage.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_sync(struct snd_soc_dapm_context *dapm)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
2010-11-05 14:53:46 +01:00
|
|
|
return dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
2008-07-07 14:35:17 +02:00
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_sync);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
|
2009-09-08 19:59:05 +02:00
|
|
|
const struct snd_soc_dapm_route *route)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_path *path;
|
|
|
|
struct snd_soc_dapm_widget *wsource = NULL, *wsink = NULL, *w;
|
2010-12-14 11:18:31 +01:00
|
|
|
struct snd_soc_dapm_widget *wtsource = NULL, *wtsink = NULL;
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-13 19:40:44 +01:00
|
|
|
const char *sink;
|
2009-09-08 19:59:05 +02:00
|
|
|
const char *control = route->control;
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-13 19:40:44 +01:00
|
|
|
const char *source;
|
|
|
|
char prefixed_sink[80];
|
|
|
|
char prefixed_source[80];
|
2006-10-06 18:32:18 +02:00
|
|
|
int ret = 0;
|
|
|
|
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-13 19:40:44 +01:00
|
|
|
if (dapm->codec->name_prefix) {
|
|
|
|
snprintf(prefixed_sink, sizeof(prefixed_sink), "%s %s",
|
|
|
|
dapm->codec->name_prefix, route->sink);
|
|
|
|
sink = prefixed_sink;
|
|
|
|
snprintf(prefixed_source, sizeof(prefixed_source), "%s %s",
|
|
|
|
dapm->codec->name_prefix, route->source);
|
|
|
|
source = prefixed_source;
|
|
|
|
} else {
|
|
|
|
sink = route->sink;
|
|
|
|
source = route->source;
|
|
|
|
}
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
/*
|
|
|
|
* find src and dest widgets over all widgets but favor a widget from
|
|
|
|
* current DAPM context
|
|
|
|
*/
|
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
2006-10-06 18:32:18 +02:00
|
|
|
if (!wsink && !(strcmp(w->name, sink))) {
|
2010-12-14 11:18:31 +01:00
|
|
|
wtsink = w;
|
|
|
|
if (w->dapm == dapm)
|
|
|
|
wsink = w;
|
2006-10-06 18:32:18 +02:00
|
|
|
continue;
|
|
|
|
}
|
|
|
|
if (!wsource && !(strcmp(w->name, source))) {
|
2010-12-14 11:18:31 +01:00
|
|
|
wtsource = w;
|
|
|
|
if (w->dapm == dapm)
|
|
|
|
wsource = w;
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
}
|
2010-12-14 11:18:31 +01:00
|
|
|
/* use widget from another DAPM context if not found from this */
|
|
|
|
if (!wsink)
|
|
|
|
wsink = wtsink;
|
|
|
|
if (!wsource)
|
|
|
|
wsource = wtsource;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
if (wsource == NULL || wsink == NULL)
|
|
|
|
return -ENODEV;
|
|
|
|
|
|
|
|
path = kzalloc(sizeof(struct snd_soc_dapm_path), GFP_KERNEL);
|
|
|
|
if (!path)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
path->source = wsource;
|
|
|
|
path->sink = wsink;
|
2009-09-08 19:59:05 +02:00
|
|
|
path->connected = route->connected;
|
2006-10-06 18:32:18 +02:00
|
|
|
INIT_LIST_HEAD(&path->list);
|
|
|
|
INIT_LIST_HEAD(&path->list_source);
|
|
|
|
INIT_LIST_HEAD(&path->list_sink);
|
|
|
|
|
|
|
|
/* check for external widgets */
|
|
|
|
if (wsink->id == snd_soc_dapm_input) {
|
|
|
|
if (wsource->id == snd_soc_dapm_micbias ||
|
|
|
|
wsource->id == snd_soc_dapm_mic ||
|
2009-07-10 21:13:30 +02:00
|
|
|
wsource->id == snd_soc_dapm_line ||
|
|
|
|
wsource->id == snd_soc_dapm_output)
|
2006-10-06 18:32:18 +02:00
|
|
|
wsink->ext = 1;
|
|
|
|
}
|
|
|
|
if (wsource->id == snd_soc_dapm_output) {
|
|
|
|
if (wsink->id == snd_soc_dapm_spk ||
|
|
|
|
wsink->id == snd_soc_dapm_hp ||
|
2007-04-16 15:36:42 +02:00
|
|
|
wsink->id == snd_soc_dapm_line ||
|
|
|
|
wsink->id == snd_soc_dapm_input)
|
2006-10-06 18:32:18 +02:00
|
|
|
wsource->ext = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* connect static paths */
|
|
|
|
if (control == NULL) {
|
2010-12-14 11:18:30 +01:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 18:32:18 +02:00
|
|
|
list_add(&path->list_sink, &wsink->sources);
|
|
|
|
list_add(&path->list_source, &wsource->sinks);
|
|
|
|
path->connect = 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* connect dynamic paths */
|
|
|
|
switch(wsink->id) {
|
|
|
|
case snd_soc_dapm_adc:
|
|
|
|
case snd_soc_dapm_dac:
|
|
|
|
case snd_soc_dapm_pga:
|
2010-12-11 04:11:44 +01:00
|
|
|
case snd_soc_dapm_out_drv:
|
2006-10-06 18:32:18 +02:00
|
|
|
case snd_soc_dapm_input:
|
|
|
|
case snd_soc_dapm_output:
|
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
case snd_soc_dapm_vmid:
|
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
case snd_soc_dapm_post:
|
2009-04-22 19:24:55 +02:00
|
|
|
case snd_soc_dapm_supply:
|
2009-08-17 18:39:22 +02:00
|
|
|
case snd_soc_dapm_aif_in:
|
|
|
|
case snd_soc_dapm_aif_out:
|
2010-12-14 11:18:30 +01:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 18:32:18 +02:00
|
|
|
list_add(&path->list_sink, &wsink->sources);
|
|
|
|
list_add(&path->list_source, &wsource->sinks);
|
|
|
|
path->connect = 1;
|
|
|
|
return 0;
|
|
|
|
case snd_soc_dapm_mux:
|
2010-12-16 16:53:39 +01:00
|
|
|
case snd_soc_dapm_virt_mux:
|
2009-01-08 12:34:29 +01:00
|
|
|
case snd_soc_dapm_value_mux:
|
2010-11-05 14:53:46 +01:00
|
|
|
ret = dapm_connect_mux(dapm, wsource, wsink, path, control,
|
2006-10-06 18:32:18 +02:00
|
|
|
&wsink->kcontrols[0]);
|
|
|
|
if (ret != 0)
|
|
|
|
goto err;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_switch:
|
|
|
|
case snd_soc_dapm_mixer:
|
2009-01-06 21:11:51 +01:00
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
2010-11-05 14:53:46 +01:00
|
|
|
ret = dapm_connect_mixer(dapm, wsource, wsink, path, control);
|
2006-10-06 18:32:18 +02:00
|
|
|
if (ret != 0)
|
|
|
|
goto err;
|
|
|
|
break;
|
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_line:
|
|
|
|
case snd_soc_dapm_spk:
|
2010-12-14 11:18:30 +01:00
|
|
|
list_add(&path->list, &dapm->card->paths);
|
2006-10-06 18:32:18 +02:00
|
|
|
list_add(&path->list_sink, &wsink->sources);
|
|
|
|
list_add(&path->list_source, &wsource->sinks);
|
|
|
|
path->connect = 0;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err:
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_warn(dapm->dev, "asoc: no dapm match for %s --> %s --> %s\n",
|
|
|
|
source, control, sink);
|
2006-10-06 18:32:18 +02:00
|
|
|
kfree(path);
|
|
|
|
return ret;
|
|
|
|
}
|
2008-05-13 14:52:19 +02:00
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_add_routes - Add routes between DAPM widgets
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2008-05-13 14:52:19 +02:00
|
|
|
* @route: audio routes
|
|
|
|
* @num: number of routes
|
|
|
|
*
|
|
|
|
* Connects 2 dapm widgets together via a named audio path. The sink is
|
|
|
|
* the widget receiving the audio signal, whilst the source is the sender
|
|
|
|
* of the audio signal.
|
|
|
|
*
|
|
|
|
* Returns 0 for success else error. On error all resources can be freed
|
|
|
|
* with a call to snd_soc_card_free().
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_add_routes(struct snd_soc_dapm_context *dapm,
|
2008-05-13 14:52:19 +02:00
|
|
|
const struct snd_soc_dapm_route *route, int num)
|
|
|
|
{
|
|
|
|
int i, ret;
|
|
|
|
|
|
|
|
for (i = 0; i < num; i++) {
|
2010-11-05 14:53:46 +01:00
|
|
|
ret = snd_soc_dapm_add_route(dapm, route);
|
2008-05-13 14:52:19 +02:00
|
|
|
if (ret < 0) {
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(dapm->dev, "Failed to add route %s->%s\n",
|
|
|
|
route->source, route->sink);
|
2008-05-13 14:52:19 +02:00
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
route++;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_add_routes);
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_new_widgets - add new dapm widgets
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2006-10-06 18:32:18 +02:00
|
|
|
*
|
|
|
|
* Checks the codec for any new dapm widgets and creates them if found.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
2011-02-09 19:04:11 +01:00
|
|
|
unsigned int val;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
|
|
|
if (w->new)
|
|
|
|
continue;
|
|
|
|
|
|
|
|
switch(w->id) {
|
|
|
|
case snd_soc_dapm_switch:
|
|
|
|
case snd_soc_dapm_mixer:
|
2009-01-06 21:11:51 +01:00
|
|
|
case snd_soc_dapm_mixer_named_ctl:
|
2009-04-20 18:56:13 +02:00
|
|
|
w->power_check = dapm_generic_check_power;
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_new_mixer(dapm, w);
|
2006-10-06 18:32:18 +02:00
|
|
|
break;
|
|
|
|
case snd_soc_dapm_mux:
|
2010-12-16 16:53:39 +01:00
|
|
|
case snd_soc_dapm_virt_mux:
|
2009-01-05 08:54:57 +01:00
|
|
|
case snd_soc_dapm_value_mux:
|
2009-04-20 18:56:13 +02:00
|
|
|
w->power_check = dapm_generic_check_power;
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_new_mux(dapm, w);
|
2006-10-06 18:32:18 +02:00
|
|
|
break;
|
|
|
|
case snd_soc_dapm_adc:
|
2009-08-17 18:39:22 +02:00
|
|
|
case snd_soc_dapm_aif_out:
|
2009-04-20 18:56:13 +02:00
|
|
|
w->power_check = dapm_adc_check_power;
|
|
|
|
break;
|
2006-10-06 18:32:18 +02:00
|
|
|
case snd_soc_dapm_dac:
|
2009-08-17 18:39:22 +02:00
|
|
|
case snd_soc_dapm_aif_in:
|
2009-04-20 18:56:13 +02:00
|
|
|
w->power_check = dapm_dac_check_power;
|
|
|
|
break;
|
2006-10-06 18:32:18 +02:00
|
|
|
case snd_soc_dapm_pga:
|
2010-12-11 04:11:44 +01:00
|
|
|
case snd_soc_dapm_out_drv:
|
2009-04-20 18:56:13 +02:00
|
|
|
w->power_check = dapm_generic_check_power;
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_new_pga(dapm, w);
|
2006-10-06 18:32:18 +02:00
|
|
|
break;
|
|
|
|
case snd_soc_dapm_input:
|
|
|
|
case snd_soc_dapm_output:
|
|
|
|
case snd_soc_dapm_micbias:
|
|
|
|
case snd_soc_dapm_spk:
|
|
|
|
case snd_soc_dapm_hp:
|
|
|
|
case snd_soc_dapm_mic:
|
|
|
|
case snd_soc_dapm_line:
|
2009-04-20 18:56:13 +02:00
|
|
|
w->power_check = dapm_generic_check_power;
|
|
|
|
break;
|
2009-04-22 19:24:55 +02:00
|
|
|
case snd_soc_dapm_supply:
|
|
|
|
w->power_check = dapm_supply_check_power;
|
2006-10-06 18:32:18 +02:00
|
|
|
case snd_soc_dapm_vmid:
|
|
|
|
case snd_soc_dapm_pre:
|
|
|
|
case snd_soc_dapm_post:
|
|
|
|
break;
|
|
|
|
}
|
2011-02-09 19:04:11 +01:00
|
|
|
|
|
|
|
/* Read the initial power state from the device */
|
|
|
|
if (w->reg >= 0) {
|
|
|
|
val = snd_soc_read(w->codec, w->reg);
|
|
|
|
val &= 1 << w->shift;
|
|
|
|
if (w->invert)
|
|
|
|
val = !val;
|
|
|
|
|
|
|
|
if (val)
|
|
|
|
w->power = 1;
|
|
|
|
}
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
w->new = 1;
|
|
|
|
}
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_power_widgets(dapm, SND_SOC_DAPM_STREAM_NOP);
|
2006-10-06 18:32:18 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_widgets);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_volsw - dapm mixer get callback
|
|
|
|
* @kcontrol: mixer control
|
2009-01-01 13:18:17 +01:00
|
|
|
* @ucontrol: control element information
|
2006-10-06 18:32:18 +02:00
|
|
|
*
|
|
|
|
* Callback to get the value of a dapm mixer control.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
|
2008-07-29 12:42:26 +02:00
|
|
|
struct soc_mixer_control *mc =
|
|
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
2008-07-29 16:22:24 +02:00
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
unsigned int shift = mc->shift;
|
|
|
|
unsigned int rshift = mc->rshift;
|
2008-07-29 12:42:26 +02:00
|
|
|
int max = mc->max;
|
2008-07-29 16:22:24 +02:00
|
|
|
unsigned int invert = mc->invert;
|
|
|
|
unsigned int mask = (1 << fls(max)) - 1;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
ucontrol->value.integer.value[0] =
|
|
|
|
(snd_soc_read(widget->codec, reg) >> shift) & mask;
|
|
|
|
if (shift != rshift)
|
|
|
|
ucontrol->value.integer.value[1] =
|
|
|
|
(snd_soc_read(widget->codec, reg) >> rshift) & mask;
|
|
|
|
if (invert) {
|
|
|
|
ucontrol->value.integer.value[0] =
|
2008-01-10 14:37:42 +01:00
|
|
|
max - ucontrol->value.integer.value[0];
|
2006-10-06 18:32:18 +02:00
|
|
|
if (shift != rshift)
|
|
|
|
ucontrol->value.integer.value[1] =
|
2008-01-10 14:37:42 +01:00
|
|
|
max - ucontrol->value.integer.value[1];
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_volsw);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_volsw - dapm mixer set callback
|
|
|
|
* @kcontrol: mixer control
|
2009-01-01 13:18:17 +01:00
|
|
|
* @ucontrol: control element information
|
2006-10-06 18:32:18 +02:00
|
|
|
*
|
|
|
|
* Callback to set the value of a dapm mixer control.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
|
2008-07-29 12:42:26 +02:00
|
|
|
struct soc_mixer_control *mc =
|
|
|
|
(struct soc_mixer_control *)kcontrol->private_value;
|
2008-07-29 16:22:24 +02:00
|
|
|
unsigned int reg = mc->reg;
|
|
|
|
unsigned int shift = mc->shift;
|
2008-07-29 12:42:26 +02:00
|
|
|
int max = mc->max;
|
2008-07-29 16:22:24 +02:00
|
|
|
unsigned int mask = (1 << fls(max)) - 1;
|
|
|
|
unsigned int invert = mc->invert;
|
2011-01-27 22:54:05 +01:00
|
|
|
unsigned int val;
|
2010-12-14 17:13:57 +01:00
|
|
|
int connect, change;
|
|
|
|
struct snd_soc_dapm_update update;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
val = (ucontrol->value.integer.value[0] & mask);
|
|
|
|
|
|
|
|
if (invert)
|
2008-01-10 14:37:42 +01:00
|
|
|
val = max - val;
|
2011-01-27 22:54:05 +01:00
|
|
|
mask = mask << shift;
|
2006-10-06 18:32:18 +02:00
|
|
|
val = val << shift;
|
|
|
|
|
|
|
|
mutex_lock(&widget->codec->mutex);
|
|
|
|
widget->value = val;
|
|
|
|
|
2011-01-27 22:54:05 +01:00
|
|
|
change = snd_soc_test_bits(widget->codec, reg, mask, val);
|
2010-12-14 17:13:57 +01:00
|
|
|
if (change) {
|
2009-12-07 19:09:03 +01:00
|
|
|
if (val)
|
|
|
|
/* new connection */
|
|
|
|
connect = invert ? 0:1;
|
|
|
|
else
|
|
|
|
/* old connection must be powered down */
|
|
|
|
connect = invert ? 1:0;
|
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
update.kcontrol = kcontrol;
|
|
|
|
update.widget = widget;
|
|
|
|
update.reg = reg;
|
|
|
|
update.mask = mask;
|
|
|
|
update.val = val;
|
|
|
|
widget->dapm->update = &update;
|
|
|
|
|
2009-12-07 19:09:03 +01:00
|
|
|
dapm_mixer_update_power(widget, kcontrol, connect);
|
2010-12-14 17:13:57 +01:00
|
|
|
|
|
|
|
widget->dapm->update = NULL;
|
2009-12-07 19:09:03 +01:00
|
|
|
}
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
mutex_unlock(&widget->codec->mutex);
|
2010-12-14 17:13:57 +01:00
|
|
|
return 0;
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_volsw);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_enum_double - dapm enumerated double mixer get callback
|
|
|
|
* @kcontrol: mixer control
|
2009-01-01 13:18:17 +01:00
|
|
|
* @ucontrol: control element information
|
2006-10-06 18:32:18 +02:00
|
|
|
*
|
|
|
|
* Callback to get the value of a dapm enumerated double mixer control.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_enum_double(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
2009-06-07 07:49:11 +02:00
|
|
|
unsigned int val, bitmask;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2008-07-29 12:42:27 +02:00
|
|
|
for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
|
2006-10-06 18:32:18 +02:00
|
|
|
;
|
|
|
|
val = snd_soc_read(widget->codec, e->reg);
|
|
|
|
ucontrol->value.enumerated.item[0] = (val >> e->shift_l) & (bitmask - 1);
|
|
|
|
if (e->shift_l != e->shift_r)
|
|
|
|
ucontrol->value.enumerated.item[1] =
|
|
|
|
(val >> e->shift_r) & (bitmask - 1);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_double);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_enum_double - dapm enumerated double mixer set callback
|
|
|
|
* @kcontrol: mixer control
|
2009-01-01 13:18:17 +01:00
|
|
|
* @ucontrol: control element information
|
2006-10-06 18:32:18 +02:00
|
|
|
*
|
|
|
|
* Callback to set the value of a dapm enumerated double mixer control.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_enum_double(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
2009-10-05 18:23:30 +02:00
|
|
|
unsigned int val, mux, change;
|
2009-06-07 07:49:11 +02:00
|
|
|
unsigned int mask, bitmask;
|
2010-12-14 17:13:57 +01:00
|
|
|
struct snd_soc_dapm_update update;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2008-07-29 12:42:27 +02:00
|
|
|
for (bitmask = 1; bitmask < e->max; bitmask <<= 1)
|
2006-10-06 18:32:18 +02:00
|
|
|
;
|
2008-07-29 12:42:27 +02:00
|
|
|
if (ucontrol->value.enumerated.item[0] > e->max - 1)
|
2006-10-06 18:32:18 +02:00
|
|
|
return -EINVAL;
|
|
|
|
mux = ucontrol->value.enumerated.item[0];
|
|
|
|
val = mux << e->shift_l;
|
|
|
|
mask = (bitmask - 1) << e->shift_l;
|
|
|
|
if (e->shift_l != e->shift_r) {
|
2008-07-29 12:42:27 +02:00
|
|
|
if (ucontrol->value.enumerated.item[1] > e->max - 1)
|
2006-10-06 18:32:18 +02:00
|
|
|
return -EINVAL;
|
|
|
|
val |= ucontrol->value.enumerated.item[1] << e->shift_r;
|
|
|
|
mask |= (bitmask - 1) << e->shift_r;
|
|
|
|
}
|
|
|
|
|
|
|
|
mutex_lock(&widget->codec->mutex);
|
|
|
|
widget->value = val;
|
2009-10-05 18:23:30 +02:00
|
|
|
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
|
2009-10-05 17:24:26 +02:00
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
update.kcontrol = kcontrol;
|
|
|
|
update.widget = widget;
|
|
|
|
update.reg = e->reg;
|
|
|
|
update.mask = mask;
|
|
|
|
update.val = val;
|
|
|
|
widget->dapm->update = &update;
|
2009-10-05 17:24:26 +02:00
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
dapm_mux_update_power(widget, kcontrol, change, mux, e);
|
2009-10-05 17:24:26 +02:00
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
widget->dapm->update = NULL;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
mutex_unlock(&widget->codec->mutex);
|
2010-12-14 17:13:57 +01:00
|
|
|
return change;
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_double);
|
|
|
|
|
2009-10-06 16:21:04 +02:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_enum_virt - Get virtual DAPM mux
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: control element information
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_enum_virt(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
|
|
|
|
|
|
|
|
ucontrol->value.enumerated.item[0] = widget->value;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_enum_virt);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_enum_virt - Set virtual DAPM mux
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: control element information
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_enum_virt(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
|
|
|
|
struct soc_enum *e =
|
|
|
|
(struct soc_enum *)kcontrol->private_value;
|
|
|
|
int change;
|
|
|
|
int ret = 0;
|
|
|
|
|
|
|
|
if (ucontrol->value.enumerated.item[0] >= e->max)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
mutex_lock(&widget->codec->mutex);
|
|
|
|
|
|
|
|
change = widget->value != ucontrol->value.enumerated.item[0];
|
|
|
|
widget->value = ucontrol->value.enumerated.item[0];
|
|
|
|
dapm_mux_update_power(widget, kcontrol, change, widget->value, e);
|
|
|
|
|
|
|
|
mutex_unlock(&widget->codec->mutex);
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_enum_virt);
|
|
|
|
|
2009-01-05 08:54:57 +01:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_value_enum_double - dapm semi enumerated double mixer get
|
|
|
|
* callback
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: control element information
|
|
|
|
*
|
|
|
|
* Callback to get the value of a dapm semi enumerated double mixer control.
|
|
|
|
*
|
|
|
|
* Semi enumerated mixer: the enumerated items are referred as values. Can be
|
|
|
|
* used for handling bitfield coded enumeration for example.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_value_enum_double(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
|
2009-01-08 12:34:29 +01:00
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
2009-06-07 07:49:11 +02:00
|
|
|
unsigned int reg_val, val, mux;
|
2009-01-05 08:54:57 +01:00
|
|
|
|
|
|
|
reg_val = snd_soc_read(widget->codec, e->reg);
|
|
|
|
val = (reg_val >> e->shift_l) & e->mask;
|
|
|
|
for (mux = 0; mux < e->max; mux++) {
|
|
|
|
if (val == e->values[mux])
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ucontrol->value.enumerated.item[0] = mux;
|
|
|
|
if (e->shift_l != e->shift_r) {
|
|
|
|
val = (reg_val >> e->shift_r) & e->mask;
|
|
|
|
for (mux = 0; mux < e->max; mux++) {
|
|
|
|
if (val == e->values[mux])
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ucontrol->value.enumerated.item[1] = mux;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_value_enum_double);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_value_enum_double - dapm semi enumerated double mixer set
|
|
|
|
* callback
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: control element information
|
|
|
|
*
|
|
|
|
* Callback to set the value of a dapm semi enumerated double mixer control.
|
|
|
|
*
|
|
|
|
* Semi enumerated mixer: the enumerated items are referred as values. Can be
|
|
|
|
* used for handling bitfield coded enumeration for example.
|
|
|
|
*
|
|
|
|
* Returns 0 for success.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_value_enum_double(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *widget = snd_kcontrol_chip(kcontrol);
|
2009-01-08 12:34:29 +01:00
|
|
|
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
|
2009-10-05 18:23:30 +02:00
|
|
|
unsigned int val, mux, change;
|
2009-06-07 07:49:11 +02:00
|
|
|
unsigned int mask;
|
2010-12-14 17:13:57 +01:00
|
|
|
struct snd_soc_dapm_update update;
|
2009-01-05 08:54:57 +01:00
|
|
|
|
|
|
|
if (ucontrol->value.enumerated.item[0] > e->max - 1)
|
|
|
|
return -EINVAL;
|
|
|
|
mux = ucontrol->value.enumerated.item[0];
|
|
|
|
val = e->values[ucontrol->value.enumerated.item[0]] << e->shift_l;
|
|
|
|
mask = e->mask << e->shift_l;
|
|
|
|
if (e->shift_l != e->shift_r) {
|
|
|
|
if (ucontrol->value.enumerated.item[1] > e->max - 1)
|
|
|
|
return -EINVAL;
|
|
|
|
val |= e->values[ucontrol->value.enumerated.item[1]] << e->shift_r;
|
|
|
|
mask |= e->mask << e->shift_r;
|
|
|
|
}
|
|
|
|
|
|
|
|
mutex_lock(&widget->codec->mutex);
|
|
|
|
widget->value = val;
|
2009-10-05 18:23:30 +02:00
|
|
|
change = snd_soc_test_bits(widget->codec, e->reg, mask, val);
|
2009-10-05 17:24:26 +02:00
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
update.kcontrol = kcontrol;
|
|
|
|
update.widget = widget;
|
|
|
|
update.reg = e->reg;
|
|
|
|
update.mask = mask;
|
|
|
|
update.val = val;
|
|
|
|
widget->dapm->update = &update;
|
2009-10-05 17:24:26 +02:00
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
dapm_mux_update_power(widget, kcontrol, change, mux, e);
|
2009-10-05 17:24:26 +02:00
|
|
|
|
2010-12-14 17:13:57 +01:00
|
|
|
widget->dapm->update = NULL;
|
2009-01-05 08:54:57 +01:00
|
|
|
|
|
|
|
mutex_unlock(&widget->codec->mutex);
|
2010-12-14 17:13:57 +01:00
|
|
|
return change;
|
2009-01-05 08:54:57 +01:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_value_enum_double);
|
|
|
|
|
2009-02-28 22:14:20 +01:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_info_pin_switch - Info for a pin switch
|
|
|
|
*
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @uinfo: control element information
|
|
|
|
*
|
|
|
|
* Callback to provide information about a pin switch control.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_info_pin_switch(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_info *uinfo)
|
|
|
|
{
|
|
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
|
|
|
|
uinfo->count = 1;
|
|
|
|
uinfo->value.integer.min = 0;
|
|
|
|
uinfo->value.integer.max = 1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_info_pin_switch);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_get_pin_switch - Get information for a pin switch
|
|
|
|
*
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: Value
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_get_pin_switch(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
const char *pin = (const char *)kcontrol->private_value;
|
|
|
|
|
|
|
|
mutex_lock(&codec->mutex);
|
|
|
|
|
|
|
|
ucontrol->value.integer.value[0] =
|
2010-11-05 14:53:46 +01:00
|
|
|
snd_soc_dapm_get_pin_status(&codec->dapm, pin);
|
2009-02-28 22:14:20 +01:00
|
|
|
|
|
|
|
mutex_unlock(&codec->mutex);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_switch);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_put_pin_switch - Set information for a pin switch
|
|
|
|
*
|
|
|
|
* @kcontrol: mixer control
|
|
|
|
* @ucontrol: Value
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol,
|
|
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
|
|
|
|
const char *pin = (const char *)kcontrol->private_value;
|
|
|
|
|
|
|
|
mutex_lock(&codec->mutex);
|
|
|
|
|
|
|
|
if (ucontrol->value.integer.value[0])
|
2010-11-05 14:53:46 +01:00
|
|
|
snd_soc_dapm_enable_pin(&codec->dapm, pin);
|
2009-02-28 22:14:20 +01:00
|
|
|
else
|
2010-11-05 14:53:46 +01:00
|
|
|
snd_soc_dapm_disable_pin(&codec->dapm, pin);
|
2009-02-28 22:14:20 +01:00
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
snd_soc_dapm_sync(&codec->dapm);
|
2009-02-28 22:14:20 +01:00
|
|
|
|
|
|
|
mutex_unlock(&codec->mutex);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_put_pin_switch);
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_new_control - create new dapm control
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2006-10-06 18:32:18 +02:00
|
|
|
* @widget: widget template
|
|
|
|
*
|
|
|
|
* Creates a new dapm control based upon the template.
|
|
|
|
*
|
|
|
|
* Returns 0 for success else error.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm,
|
2006-10-06 18:32:18 +02:00
|
|
|
const struct snd_soc_dapm_widget *widget)
|
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-13 19:40:44 +01:00
|
|
|
size_t name_len;
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
if ((w = dapm_cnew_widget(widget)) == NULL)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
ASoC: Add optional name_prefix for codec kcontrol, widget and route names
There is a need to prefix codec kcontrol, widget and internal route names in
an ASoC machine that has multiple codecs with conflicting names. The name
collision would occur when codec drivers try to registering kcontrols with
the same name or when building audio paths.
This patch introduces optional prefix_map into struct snd_soc_card. With it
machine drivers can specify a unique name prefix to each codec that have
conflicting names with anothers. Prefix to codec is matched with codec
name.
Following example illustrates a machine that has two same codec instances.
Name collision from kcontrol registration is avoided by specifying a name
prefix "foo" for the second codec. As the codec widget names are prefixed
then second audio map for that codec shows a prefixed widget name.
static const struct snd_soc_dapm_route map0[] = {
{"Spk", NULL, "MONO"},
};
static const struct snd_soc_dapm_route map1[] = {
{"Vibra", NULL, "foo MONO"},
};
static struct snd_soc_prefix_map codec_prefix[] = {
{
.dev_name = "codec.2",
.name_prefix = "foo",
},
};
static struct snd_soc_card card = {
...
.prefix_map = codec_prefix,
.num_prefixes = ARRAY_SIZE(codec_prefix),
};
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2010-11-13 19:40:44 +01:00
|
|
|
name_len = strlen(widget->name) + 1;
|
|
|
|
if (dapm->codec->name_prefix)
|
|
|
|
name_len += 1 + strlen(dapm->codec->name_prefix);
|
|
|
|
w->name = kmalloc(name_len, GFP_KERNEL);
|
|
|
|
if (w->name == NULL) {
|
|
|
|
kfree(w);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
if (dapm->codec->name_prefix)
|
|
|
|
snprintf(w->name, name_len, "%s %s",
|
|
|
|
dapm->codec->name_prefix, widget->name);
|
|
|
|
else
|
|
|
|
snprintf(w->name, name_len, "%s", widget->name);
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
dapm->n_widgets++;
|
2010-11-05 14:53:46 +01:00
|
|
|
w->dapm = dapm;
|
|
|
|
w->codec = dapm->codec;
|
2006-10-06 18:32:18 +02:00
|
|
|
INIT_LIST_HEAD(&w->sources);
|
|
|
|
INIT_LIST_HEAD(&w->sinks);
|
|
|
|
INIT_LIST_HEAD(&w->list);
|
2010-12-14 11:18:31 +01:00
|
|
|
list_add(&w->list, &dapm->card->widgets);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
|
|
|
/* machine layer set ups unconnected pins and insertions */
|
|
|
|
w->connected = 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_control);
|
|
|
|
|
2008-05-13 14:51:19 +02:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_new_controls - create new dapm controls
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2008-05-13 14:51:19 +02:00
|
|
|
* @widget: widget array
|
|
|
|
* @num: number of widgets
|
|
|
|
*
|
|
|
|
* Creates new DAPM controls based upon the templates.
|
|
|
|
*
|
|
|
|
* Returns 0 for success else error.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_new_controls(struct snd_soc_dapm_context *dapm,
|
2008-05-13 14:51:19 +02:00
|
|
|
const struct snd_soc_dapm_widget *widget,
|
|
|
|
int num)
|
|
|
|
{
|
|
|
|
int i, ret;
|
|
|
|
|
|
|
|
for (i = 0; i < num; i++) {
|
2010-11-05 14:53:46 +01:00
|
|
|
ret = snd_soc_dapm_new_control(dapm, widget);
|
2008-12-18 12:19:30 +01:00
|
|
|
if (ret < 0) {
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(dapm->dev,
|
|
|
|
"ASoC: Failed to create DAPM control %s: %d\n",
|
|
|
|
widget->name, ret);
|
2008-05-13 14:51:19 +02:00
|
|
|
return ret;
|
2008-12-18 12:19:30 +01:00
|
|
|
}
|
2008-05-13 14:51:19 +02:00
|
|
|
widget++;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_new_controls);
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
static void soc_dapm_stream_event(struct snd_soc_dapm_context *dapm,
|
2010-03-17 21:15:21 +01:00
|
|
|
const char *stream, int event)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
2010-12-14 11:18:31 +01:00
|
|
|
if (!w->sname || w->dapm != dapm)
|
2006-10-06 18:32:18 +02:00
|
|
|
continue;
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_dbg(w->dapm->dev, "widget %s\n %s stream %s event %d\n",
|
|
|
|
w->name, w->sname, stream, event);
|
2006-10-06 18:32:18 +02:00
|
|
|
if (strstr(w->sname, stream)) {
|
|
|
|
switch(event) {
|
|
|
|
case SND_SOC_DAPM_STREAM_START:
|
|
|
|
w->active = 1;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_STREAM_STOP:
|
|
|
|
w->active = 0;
|
|
|
|
break;
|
|
|
|
case SND_SOC_DAPM_STREAM_SUSPEND:
|
|
|
|
case SND_SOC_DAPM_STREAM_RESUME:
|
|
|
|
case SND_SOC_DAPM_STREAM_PAUSE_PUSH:
|
|
|
|
case SND_SOC_DAPM_STREAM_PAUSE_RELEASE:
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
dapm_power_widgets(dapm, event);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* snd_soc_dapm_stream_event - send a stream event to the dapm core
|
|
|
|
* @rtd: PCM runtime data
|
|
|
|
* @stream: stream name
|
|
|
|
* @event: stream event
|
|
|
|
*
|
|
|
|
* Sends a stream event to the dapm core. The core then makes any
|
|
|
|
* necessary widget power changes.
|
|
|
|
*
|
|
|
|
* Returns 0 for success else error.
|
|
|
|
*/
|
|
|
|
int snd_soc_dapm_stream_event(struct snd_soc_pcm_runtime *rtd,
|
|
|
|
const char *stream, int event)
|
|
|
|
{
|
|
|
|
struct snd_soc_codec *codec = rtd->codec;
|
|
|
|
|
|
|
|
if (stream == NULL)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
mutex_lock(&codec->mutex);
|
|
|
|
soc_dapm_stream_event(&codec->dapm, stream, event);
|
2009-10-12 07:41:59 +02:00
|
|
|
mutex_unlock(&codec->mutex);
|
2006-10-06 18:32:18 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
2008-07-07 14:35:17 +02:00
|
|
|
* snd_soc_dapm_enable_pin - enable pin.
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2008-07-07 14:35:17 +02:00
|
|
|
* @pin: pin name
|
2006-10-06 18:32:18 +02:00
|
|
|
*
|
2009-06-06 12:26:15 +02:00
|
|
|
* Enables input/output pin and its parents or children widgets iff there is
|
2008-07-07 14:35:17 +02:00
|
|
|
* a valid audio route and active audio stream.
|
|
|
|
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
|
|
|
|
* do any widget power switching.
|
2006-10-06 18:32:18 +02:00
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_enable_pin(struct snd_soc_dapm_context *dapm, const char *pin)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
2010-11-05 14:53:46 +01:00
|
|
|
return snd_soc_dapm_set_pin(dapm, pin, 1);
|
2008-07-07 14:35:17 +02:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_enable_pin);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2010-03-15 20:23:37 +01:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_force_enable_pin - force a pin to be enabled
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2010-03-15 20:23:37 +01:00
|
|
|
* @pin: pin name
|
|
|
|
*
|
|
|
|
* Enables input/output pin regardless of any other state. This is
|
|
|
|
* intended for use with microphone bias supplies used in microphone
|
|
|
|
* jack detection.
|
|
|
|
*
|
|
|
|
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
|
|
|
|
* do any widget power switching.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_force_enable_pin(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin)
|
2010-03-15 20:23:37 +01:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
|
|
|
if (w->dapm != dapm)
|
|
|
|
continue;
|
2010-03-15 20:23:37 +01:00
|
|
|
if (!strcmp(w->name, pin)) {
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_dbg(w->dapm->dev,
|
|
|
|
"dapm: force enable pin %s\n", pin);
|
2010-03-15 20:23:37 +01:00
|
|
|
w->connected = 1;
|
|
|
|
w->force = 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
|
2010-03-15 20:23:37 +01:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_force_enable_pin);
|
|
|
|
|
2008-07-07 14:35:17 +02:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_disable_pin - disable pin.
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2008-07-07 14:35:17 +02:00
|
|
|
* @pin: pin name
|
|
|
|
*
|
2009-06-06 12:26:15 +02:00
|
|
|
* Disables input/output pin and its parents or children widgets.
|
2008-07-07 14:35:17 +02:00
|
|
|
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
|
|
|
|
* do any widget power switching.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_disable_pin(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin)
|
2008-07-07 14:35:17 +02:00
|
|
|
{
|
2010-11-05 14:53:46 +01:00
|
|
|
return snd_soc_dapm_set_pin(dapm, pin, 0);
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
2008-07-07 14:35:17 +02:00
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_disable_pin);
|
2006-10-06 18:32:18 +02:00
|
|
|
|
2008-09-24 12:23:11 +02:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_nc_pin - permanently disable pin.
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2008-09-24 12:23:11 +02:00
|
|
|
* @pin: pin name
|
|
|
|
*
|
|
|
|
* Marks the specified pin as being not connected, disabling it along
|
|
|
|
* any parent or child widgets. At present this is identical to
|
|
|
|
* snd_soc_dapm_disable_pin() but in future it will be extended to do
|
|
|
|
* additional things such as disabling controls which only affect
|
|
|
|
* paths through the pin.
|
|
|
|
*
|
|
|
|
* NOTE: snd_soc_dapm_sync() needs to be called after this for DAPM to
|
|
|
|
* do any widget power switching.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_nc_pin(struct snd_soc_dapm_context *dapm, const char *pin)
|
2008-09-24 12:23:11 +02:00
|
|
|
{
|
2010-11-05 14:53:46 +01:00
|
|
|
return snd_soc_dapm_set_pin(dapm, pin, 0);
|
2008-09-24 12:23:11 +02:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_nc_pin);
|
|
|
|
|
2008-04-30 19:27:40 +02:00
|
|
|
/**
|
2008-07-07 14:35:17 +02:00
|
|
|
* snd_soc_dapm_get_pin_status - get audio pin status
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2008-07-07 14:35:17 +02:00
|
|
|
* @pin: audio signal pin endpoint (or start point)
|
2008-04-30 19:27:40 +02:00
|
|
|
*
|
2008-07-07 14:35:17 +02:00
|
|
|
* Get audio pin status - connected or disconnected.
|
2008-04-30 19:27:40 +02:00
|
|
|
*
|
2008-07-07 14:35:17 +02:00
|
|
|
* Returns 1 for connected otherwise 0.
|
2008-04-30 19:27:40 +02:00
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_get_pin_status(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin)
|
2008-04-30 19:27:40 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
|
|
|
if (w->dapm != dapm)
|
|
|
|
continue;
|
2008-07-07 14:35:17 +02:00
|
|
|
if (!strcmp(w->name, pin))
|
2008-04-30 19:27:40 +02:00
|
|
|
return w->connected;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
2008-07-07 14:35:17 +02:00
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_get_pin_status);
|
2008-04-30 19:27:40 +02:00
|
|
|
|
2010-05-07 22:11:40 +02:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_ignore_suspend - ignore suspend status for DAPM endpoint
|
2010-11-05 14:53:46 +01:00
|
|
|
* @dapm: DAPM context
|
2010-05-07 22:11:40 +02:00
|
|
|
* @pin: audio signal pin endpoint (or start point)
|
|
|
|
*
|
|
|
|
* Mark the given endpoint or pin as ignoring suspend. When the
|
|
|
|
* system is disabled a path between two endpoints flagged as ignoring
|
|
|
|
* suspend will not be disabled. The path must already be enabled via
|
|
|
|
* normal means at suspend time, it will not be turned on if it was not
|
|
|
|
* already enabled.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
int snd_soc_dapm_ignore_suspend(struct snd_soc_dapm_context *dapm,
|
|
|
|
const char *pin)
|
2010-05-07 22:11:40 +02:00
|
|
|
{
|
|
|
|
struct snd_soc_dapm_widget *w;
|
|
|
|
|
2010-12-14 11:18:31 +01:00
|
|
|
list_for_each_entry(w, &dapm->card->widgets, list) {
|
|
|
|
if (w->dapm != dapm)
|
|
|
|
continue;
|
2010-05-07 22:11:40 +02:00
|
|
|
if (!strcmp(w->name, pin)) {
|
|
|
|
w->ignore_suspend = 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-11-09 13:40:27 +01:00
|
|
|
dev_err(dapm->dev, "dapm: unknown pin %s\n", pin);
|
2010-05-07 22:11:40 +02:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend);
|
|
|
|
|
2006-10-06 18:32:18 +02:00
|
|
|
/**
|
|
|
|
* snd_soc_dapm_free - free dapm resources
|
2010-03-17 21:15:21 +01:00
|
|
|
* @card: SoC device
|
2006-10-06 18:32:18 +02:00
|
|
|
*
|
|
|
|
* Free all dapm widgets and resources.
|
|
|
|
*/
|
2010-11-05 14:53:46 +01:00
|
|
|
void snd_soc_dapm_free(struct snd_soc_dapm_context *dapm)
|
2006-10-06 18:32:18 +02:00
|
|
|
{
|
2010-11-05 14:53:46 +01:00
|
|
|
snd_soc_dapm_sys_remove(dapm->dev);
|
|
|
|
dapm_free_widgets(dapm);
|
2010-12-14 11:18:32 +01:00
|
|
|
list_del(&dapm->list);
|
2006-10-06 18:32:18 +02:00
|
|
|
}
|
|
|
|
EXPORT_SYMBOL_GPL(snd_soc_dapm_free);
|
|
|
|
|
2010-11-05 14:53:46 +01:00
|
|
|
static void soc_dapm_shutdown_codec(struct snd_soc_dapm_context *dapm)
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2009-06-22 14:16:51 +02:00
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{
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struct snd_soc_dapm_widget *w;
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LIST_HEAD(down_list);
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int powerdown = 0;
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2010-12-14 11:18:31 +01:00
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list_for_each_entry(w, &dapm->card->widgets, list) {
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if (w->dapm != dapm)
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continue;
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2009-06-22 14:16:51 +02:00
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if (w->power) {
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2011-01-15 14:14:30 +01:00
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dapm_seq_insert(w, &down_list, false);
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2009-06-26 16:36:56 +02:00
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w->power = 0;
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2009-06-22 14:16:51 +02:00
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powerdown = 1;
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}
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}
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/* If there were no widgets to power down we're already in
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* standby.
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*/
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if (powerdown) {
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2011-02-18 20:12:42 +01:00
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snd_soc_dapm_set_bias_level(dapm, SND_SOC_BIAS_PREPARE);
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2011-01-15 14:14:30 +01:00
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dapm_seq_run(dapm, &down_list, 0, false);
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2011-02-18 20:12:42 +01:00
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snd_soc_dapm_set_bias_level(dapm, SND_SOC_BIAS_STANDBY);
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2009-06-22 14:16:51 +02:00
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}
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2010-03-17 21:15:21 +01:00
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}
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/*
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* snd_soc_dapm_shutdown - callback for system shutdown
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*/
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void snd_soc_dapm_shutdown(struct snd_soc_card *card)
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{
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struct snd_soc_codec *codec;
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2010-11-05 14:53:46 +01:00
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list_for_each_entry(codec, &card->codec_dev_list, list) {
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soc_dapm_shutdown_codec(&codec->dapm);
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2011-02-18 20:12:42 +01:00
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snd_soc_dapm_set_bias_level(&codec->dapm, SND_SOC_BIAS_OFF);
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2010-11-05 14:53:46 +01:00
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}
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2009-06-22 14:16:51 +02:00
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}
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2006-10-06 18:32:18 +02:00
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/* Module information */
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2008-10-12 14:17:36 +02:00
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MODULE_AUTHOR("Liam Girdwood, lrg@slimlogic.co.uk");
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2006-10-06 18:32:18 +02:00
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MODULE_DESCRIPTION("Dynamic Audio Power Management core for ALSA SoC");
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MODULE_LICENSE("GPL");
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