Commit Graph

307 Commits

Author SHA1 Message Date
Linus Torvalds 4570a37169 sound updates for 4.2-rc1
It was a busy development cycle at this time, as you can see a wide
 range of changes in diffstat.  There are no big changes but many
 refactoring and improvements.  Here we go some highlights:
 
 * ALSA core:
 - Procfs codes were cleaned up to use seq_file
 - Procfs can be opt out via Kconfig (only for EXPERT)
 - Two types of jack API were unified finally; now both kctl and input
   jack devs are handled via a single function call.
 
 * HD-audio
 - Continued code restructuring for the future ASoC driver; now HDA
   controller driver is split to a core helper module.
 - Preliminary codes for Skylake audio support in HDA core.
 - Proper i915 gfx power well management for SKL & co
 - Enabled runtime PM as default for Intel HDMI/DP codecs
 - Newer Tegra chip supports
 - More quirks for Dell headsets, Alienware (with CA0132), etc.
 - A couple of DRM ELD helper API functions
 
 * ASoC
 - Support for loading ASoC topology maps from firmware, intended to be
   used to allow self-describing DSP firmware images to be built which
   can map controls added by the DSP to userspace without the kernel
   needing to know about individual DSP firmwares
 - Lots of refactoring to avoid direct access to snd_soc_codec where
   it's not needed supporting future refactoring
 - Big refactoring, cleanup and enhancement for the Wolfson ADSP driver
 - Cleanup series for TI TAS2552 and R-CAR drivers
 - Fixes and improvements on RT56xx codecs
 - Support for TI TAS571x power amplifiers
 - Support for Qualcomm APQ8016 and ZTE ZX296702 SoCs
 - Support for x86 systems with RT5650 and Qualcomm Storm
 - Support for Mediatek AFE (Audio Front End) unit
 - Other various small fixes to ASoC codec drivers
 
 * Firewire
 - Enhanced to allow non-blocking streams to use timestamp
   synchronization
 - Improve support for DM1500 and BeBoBv3
 
 * Misc
 - Cleanup of old pci API functions over all PCI sound drivers
 - Fix long-standing regression of the old powermac i2c setup
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Merge tag 'sound-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "It was a busy development cycle at this time, as you can see a wide
  range of changes in diffstat.  There are no big changes but many
  refactoring and improvements.  Here we go some highlights:

  ALSA core:
   - Procfs codes were cleaned up to use seq_file
   - Procfs can be opt out via Kconfig (only for EXPERT)
   - Two types of jack API were unified finally; now both kctl and input
     jack devs are handled via a single function call.

  HD-audio:
   - Continued code restructuring for the future ASoC driver; now HDA
     controller driver is split to a core helper module.
   - Preliminary codes for Skylake audio support in HDA core.
   - Proper i915 gfx power well management for SKL & co
   - Enabled runtime PM as default for Intel HDMI/DP codecs
   - Newer Tegra chip supports
   - More quirks for Dell headsets, Alienware (with CA0132), etc.
   - A couple of DRM ELD helper API functions

  ASoC:
   - Support for loading ASoC topology maps from firmware, intended to
     be used to allow self-describing DSP firmware images to be built
     which can map controls added by the DSP to userspace without the
     kernel needing to know about individual DSP firmwares
   - Lots of refactoring to avoid direct access to snd_soc_codec where
     it's not needed supporting future refactoring
   - Big refactoring, cleanup and enhancement for the Wolfson ADSP
     driver
   - Cleanup series for TI TAS2552 and R-CAR drivers
   - Fixes and improvements on RT56xx codecs
   - Support for TI TAS571x power amplifiers
   - Support for Qualcomm APQ8016 and ZTE ZX296702 SoCs
   - Support for x86 systems with RT5650 and Qualcomm Storm
   - Support for Mediatek AFE (Audio Front End) unit
   - Other various small fixes to ASoC codec drivers

  Firewire:
   - Enhanced to allow non-blocking streams to use timestamp
     synchronization
   - Improve support for DM1500 and BeBoBv3

  Misc:
   - Cleanup of old pci API functions over all PCI sound drivers
   - Fix long-standing regression of the old powermac i2c setup"

* tag 'sound-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (533 commits)
  ALSA: pcm: Fix pcm_class sysfs output
  ALSA: hda-beep: Update authors dead email address
  ASoC: wm_adsp: Move DSP Rate controls into the codec
  ASoC: wm8995: Fix setting sysclk for WM8995_SYSCLK_MCLK2 case
  ALSA: hda: provide default bus io ops extended hdac
  ALSA: hda: add hda link cleanup routine
  ALSA: hda: add hdac_ext stream creation and cleanup routines
  ASoC: rsrc-card: remove unused ret
  ALSA: HDAC: move SND_HDA_PREALLOC_SIZE to core
  ASoC: mediatek: Add machine driver for rt5650 rt5676 codec
  ASoC: mediatek: Add machine driver for MAX98090 codec
  ASoC: mediatek: Add AFE platform driver
  ASoC: rsnd: remove io from rsnd_mod
  ASoC: rsnd: move rsnd_mod_is_working() to rsnd_io_is_working()
  ASoC: rsnd: don't use rsnd_mod_to_io() on snd_kcontrol
  ASoC: rsnd: don't use rsnd_mod_to_io() on rsnd_src_xxx()
  ASoC: rsnd: don't use rsnd_mod_to_io() on rsnd_ssi_xxx()
  ASoC: rsnd: don't use rsnd_mod_to_io() on rsnd_dma_xxx()
  ASoC: rsnd: don't use rsnd_mod_to_io() on rsnd_get_adinr()
  ASoC: rsnd: add common interrupt handler for SSI/SRC/DMA
  ...
2015-06-25 17:15:18 -07:00
Takashi Iwai c43a55d5b1 ALSA: opl4: Fix / cleanup ifdef CONFIG_PROC_FS
Some are replaced with the new ifdef CONFIG_SND_PROC_FS.  Some are
removed by building opl4_proc.o conditionally.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-29 07:49:55 +02:00
Takashi Iwai 129a4c9f82 ALSA: dummy: Replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS
Although there shouldn't be a problem in practice (the compiler should
handle well), it's better to follow to the new Kconfig.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-29 07:47:50 +02:00
Takashi Iwai 41960d9592 ALSA: aloop: Drop unnecessary ifdef CONFIG_PROC_FS
Since the compiler can optimize away the unused code, we can reduce
the messy ifdef.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-29 07:46:05 +02:00
Takashi Iwai e4c286880e ALSA: dummy: make local data static
Add missing prefix to make some local data static.

Spotted by sparse:
  sound/drivers/dummy.c:159:20: warning: symbol 'model_emu10k1' was not declared. Should it be static?
  sound/drivers/dummy.c:165:20: warning: symbol 'model_rme9652' was not declared. Should it be static?
  ....

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-26 12:59:26 +02:00
Thomas Gleixner c78c881824 ALSA: drivers: pcsp: Fix printout of resolution
The recent conversion of the hrtimer resolution failed to convert the
printk format from %li to %u.

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-05-12 09:14:51 +02:00
Thomas Gleixner 447fbbdc2c sound: Use hrtimer_resolution instead of hrtimer_get_res()
No point in converting a timespec now that the value is directly
accessible. Get rid of the null check while at it. Resolution is
guaranteed to be > 0.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: alsa-devel@alsa-project.org
Link: http://lkml.kernel.org/r/20150414203500.799133359@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-04-22 17:06:48 +02:00
Takashi Iwai 4aa01c408b Merge branch 'for-linus' into for-next
Merging the HD-audio fixes back to base devel branch for further
working on it.
2015-03-09 08:42:00 +01:00
Dan Carpenter d124380674 ALSA: opl3: small array underflow
There is a missing lower bound check on "pitchbend" so it means we can
read up to 6 elements before the start of the opl3_note_table[] array.

Thanks to Clemens Ladisch for his help with this patch.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-03-06 13:04:42 +01:00
Takashi Iwai 056622053b ALSA: seq: Define driver object in each driver
This patch moves the driver object initialization and allocation to
each driver's module init/exit code like other normal drivers.  The
snd_seq_driver struct is now published in seq_device.h, and each
driver is responsible to define it with proper driver attributes
(name, probe and remove) with snd_seq_driver specific attributes as id
and argsize fields.  The helper functions snd_seq_driver_register(),
snd_seq_driver_unregister() and module_snd_seq_driver() are used for
simplifying codes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-02-12 14:15:54 +01:00
Takashi Iwai 976412fbc9 ALSA: Include linux/uaccess.h and linux/bitopts.h instead of asm/*
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28 17:25:07 +01:00
Takashi Iwai 6cbbfe1c8d ALSA: Include linux/io.h instead of asm/io.h
Nowadays it's recommended.  Replace all in a shot.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-28 16:49:33 +01:00
Takashi Iwai d80d05fcca ALSA: serial-u16550: Use setup_timer() and mod_timer()
No functional change, refactoring with the standard helpers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-19 11:32:26 +01:00
Takashi Iwai f5d5f75fe1 ALSA: opl3: Use setup_timer() and mod_timer()
No functional change, refactoring with the standard helpers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-19 11:32:26 +01:00
Takashi Iwai 2b1b781143 ALSA: mtpav: Use setup_timer() and mod_timer()
No functional change, refactoring with the standard helpers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-19 11:32:10 +01:00
Takashi Iwai b093ed23da ALSA: mpu401: Use setup_timer() and mod_timer()
No functional change, refactoring with the standard helpers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-19 11:28:13 +01:00
Takashi Iwai db974553e3 ALSA: aloop: Use setup_timer() and mod_timer()
No functional change, refactoring with the standard helpers.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-19 11:27:31 +01:00
Roman Kollar 2a52b6eef7 ALSA: dummy: use setup_timer and mod_timer
Use setup_timer and mod_timer instead of structure assignments as it
is the preferred way to setup and set the timer.

Signed-off-by: Roman Kollar <rkollar@mail.muni.cz>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-19 10:49:52 +01:00
Markus Elfring ff6defa6a8 ALSA: Deletion of checks before the function call "iounmap"
The iounmap() function performs also input parameter validation.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-04 15:13:45 +01:00
Lars-Peter Clausen e9dd86267f ALSA: ml403-ac97cr: Remove always NULL parameter
snd_ml403_ac97cr_pcm() takes a pointer to a pointer of a PCM where if this
parameter is provided the newly allocated PCM is stored. All callers pass
NULL though, so remove the parameter. This makes the code a bit cleaner and
shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-02 16:25:53 +01:00
Linus Torvalds e6b5be2be4 Driver core patches for 3.19-rc1
Here's the set of driver core patches for 3.19-rc1.
 
 They are dominated by the removal of the .owner field in platform
 drivers.  They touch a lot of files, but they are "simple" changes, just
 removing a line in a structure.
 
 Other than that, a few minor driver core and debugfs changes.  There are
 some ath9k patches coming in through this tree that have been acked by
 the wireless maintainers as they relied on the debugfs changes.
 
 Everything has been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core update from Greg KH:
 "Here's the set of driver core patches for 3.19-rc1.

  They are dominated by the removal of the .owner field in platform
  drivers.  They touch a lot of files, but they are "simple" changes,
  just removing a line in a structure.

  Other than that, a few minor driver core and debugfs changes.  There
  are some ath9k patches coming in through this tree that have been
  acked by the wireless maintainers as they relied on the debugfs
  changes.

  Everything has been in linux-next for a while"

* tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits)
  Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries"
  fs: debugfs: add forward declaration for struct device type
  firmware class: Deletion of an unnecessary check before the function call "vunmap"
  firmware loader: fix hung task warning dump
  devcoredump: provide a one-way disable function
  device: Add dev_<level>_once variants
  ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries
  ath: use seq_file api for ath9k debugfs files
  debugfs: add helper function to create device related seq_file
  drivers/base: cacheinfo: remove noisy error boot message
  Revert "core: platform: add warning if driver has no owner"
  drivers: base: support cpu cache information interface to userspace via sysfs
  drivers: base: add cpu_device_create to support per-cpu devices
  topology: replace custom attribute macros with standard DEVICE_ATTR*
  cpumask: factor out show_cpumap into separate helper function
  driver core: Fix unbalanced device reference in drivers_probe
  driver core: fix race with userland in device_add()
  sysfs/kernfs: make read requests on pre-alloc files use the buffer.
  sysfs/kernfs: allow attributes to request write buffer be pre-allocated.
  fs: sysfs: return EGBIG on write if offset is larger than file size
  ...
2014-12-14 16:10:09 -08:00
Takashi Iwai fc5d3c70f9 ALSA: virmidi: Fix wrong error check
While rewriting the code in the previous commit [316638a5030a: ALSA:
virmidi: fixed code style issues], the error check was wrongly
converted.  This resulted an Oops.

Fixes: 316638a503 ('ALSA: virmidi: fixed code style issues')
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-30 20:17:56 +01:00
Kyle Chamberlin 316638a503 ALSA: virmidi: fixed code style issues
Fixed some minor code style issues and also removed some
assignments inside of if conditionals.

Signed-off-by: Kyle Chamberlin <kylechamberlin@project20million.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-29 21:34:47 +01:00
Takashi Iwai 2a9e8df009 ALSA: vx: Fix missing kerneldoc parameter descriptions
The file isn't processed, but it's not bad to fix beforehand.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-11 09:39:10 +01:00
Takashi Iwai 7f471fd407 ALSA: vx: Use snd_ctl_elem_info()
... and reduce the open codes.  Also add missing const to text arrays.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-21 08:12:15 +02:00
Takashi Iwai 6d416f594b ALSA: mts64: Use snd_ctl_elem_info()
... and reduce the open codes.  Also add missing const to the text array.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-21 08:10:54 +02:00
Wolfram Sang cb4fe8ae66 ALSA: drivers: pcsp: drop owner assignment from platform_drivers
A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-10-20 16:22:00 +02:00
Wolfram Sang d9b97db07a ALSA: drivers: mpu401: drop owner assignment from platform_drivers
A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-10-20 16:22:00 +02:00
Wolfram Sang 5d5638afa0 ALSA: drivers: drop owner assignment from platform_drivers
A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2014-10-20 16:21:59 +02:00
Takashi Iwai db0a5214b8 ALSA: vx: Use nonatomic PCM ops
Rewrite VXpocket and VX222 drivers to use the new PCM nonatomic ops.
The former irq tasklet is replaced with a threaded irq handler, and
the tasklet for the PCM delayed start is simply merged into the normal
PCM trigger, as well as the replacement of spinlock with mutex.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-09-15 15:52:03 +02:00
Takashi Iwai 5872f3f621 ALSA: drivers: Convert to snd_card_new() with a device pointer
Also remove superfluous snd_card_set_dev() calls.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-12 10:58:20 +01:00
Takashi Iwai 80d7d771ae ALSA: Drop unused name argument in snd_register_oss_device()
The last argument, name, of snd_oss_register_device() is nowhere
referred in the function in the current code.  Let's drop it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-12 10:58:19 +01:00
Takashi Iwai 8eeaa2f9e0 ALSA: Replace with IS_ENABLED()
Replace the lengthy #if defined(XXX) || defined(XXX_MODULE) with the
new IS_ENABLED() macro.

The patch still doesn't cover all ifdefs.  For example, the dependency
on CONFIG_GAMEPORT is still open-coded because this also has an extra
dependency on MODULE.  Similarly, an open-coded ifdef in pcm_oss.c and
some sequencer-related stuff are left untouched.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-10 11:42:00 +01:00
Rashika Kheria 01b1dccbf7 ALSA: pcsp: Include appropriate header file in pcsp/pcsp_input.c
Include appropriate header file in drivers/pcsp/pcsp_input.c because it
defines function whose prototype definitions are present in
drivers/pcsp/pcsp_input.h.

This eliminates the following warning in drivers/pcsp/pcsp_input.c:
sound/drivers/pcsp/pcsp_input.c:42:6: warning: no previous prototype for ‘pcspkr_stop_sound’ [-Wmissing-prototypes]
sound/drivers/pcsp/pcsp_input.c:80:5: warning: no previous prototype for ‘pcspkr_input_init’ [-Wmissing-prototypes]
sound/drivers/pcsp/pcsp_input.c:110:5: warning: no previous prototype for ‘pcspkr_input_remove’ [-Wmissing-prototypes]

Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-07 18:24:20 +01:00
Takashi Iwai 6408eac266 ALSA: pcsp: Fix the order of input device unregistration
The current code may access to the already freed object.  The input
device must be accessed and unregistered before freeing the top level
sound object.

Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-14 15:50:10 +01:00
Takashi Iwai 75415df8ff ALSA: pcsp: Fix initialization with nopcm=1
When nopcm=1 is set, some initializations based on hrtimer resolution
might be bogus because the driver checks the resolution only when
nopcm=0.  Simply get the resolution always at first for fixing the
bug.

Spotted by coverity CID 139740.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-29 15:15:20 +01:00
Takashi Iwai a8d09e3a6d ALSA: opl3: Fix possible negative array index access
Spotted by coverity CID 115196.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-29 15:07:19 +01:00
Jingoo Han b785a492c6 ALSA: replace strict_strto*() with kstrto*()
The usage of strict_strto*() is not preferred, because
strict_strto*() is obsolete. Thus, kstrto*() should be
used.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-07-21 11:56:18 +02:00
Dan Carpenter fefe228c5f ALSA: vx_core: off by one in vx_read_status()
This code is older than git, and I haven't tested it, but if size ==
SIZE_MAX_STATUS then we would write one space past the end of the
rmh->Stat[] array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-06-21 14:32:06 +02:00
Takashi Iwai f35e839a3c ALSA: Remove the rest of *_set_drvdata(NULL) calls
A few calls are still left in parport drivers after this commit, which
I'm not quite sure yet.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-05-29 12:50:59 +02:00
Sachin Kamat 50c7d0da64 ALSA: virmidi: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-05-23 14:35:51 +02:00
Sachin Kamat 45837cb214 ALSA: serial-u16550: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-05-23 14:35:45 +02:00
Sachin Kamat a4302ede92 ALSA: pcsp: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Stas Sergeev <stsp@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-05-23 14:35:40 +02:00
Sachin Kamat a204341dae ALSA: mtpav: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-05-23 14:35:33 +02:00
Sachin Kamat 984ef60cb1 ALSA: mpu401: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-05-23 14:34:24 +02:00
Sachin Kamat 186c1821f9 ALSA: ml403-ac97cr: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-05-23 14:34:18 +02:00
Sachin Kamat 5ed5824bf4 ALSA: aloop: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-05-23 14:34:09 +02:00
Eldad Zack 74c34ca1cc ALSA: pcm_format_to_bits strong-typed conversion
Add a function to handle conversion from snd_pcm_format_t
to bitwise with proper typing.

Change such conversions to use this function and silence sparse
warnings.

Signed-off-by: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-04-29 13:36:15 +02:00
Pavel Machek 13627549f3 ALSA: sound kconfig typo
Fix english in sound/drivers/Kconfig.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-04-24 14:02:36 +02:00
Yacine Belkadi eb7c06e8e9 ALSA: add/change some comments describing function return values
script/kernel-doc reports the following type of warnings (when run in verbose
mode):

Warning(sound/core/init.c:152): No description found for return value of
'snd_card_create'

To fix that:
- add missing descriptions of function return values
- use "Return:" sections to describe those return values

Along the way:
- complete some descriptions
- fix some typos

Signed-off-by: Yacine Belkadi <yacine.belkadi.1@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-12 08:32:53 +01:00