Commit Graph

589 Commits

Author SHA1 Message Date
Takashi Iwai 083117c0ca ALSA: hda - Remove obsoleted documentation
It's totally outdated.  We need a revised version later, maybe better
integrated into kernel doc.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-10-17 18:34:24 +02:00
Takashi Iwai 1882b0577b ALSA: hda - Sync HD-Audio-Models.txt for Realtek codecs
Added missing model entries and updated the codec names.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-19 10:21:57 +02:00
Takashi Iwai b016951e89 ALSA: hda - Add headset-mode* model options for ALC269 & co
Modern machines tend to have only one headset jack nowadays, and they
often need these quirks.  Let's allow them applicable via model
option for ease of debugging.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-19 10:20:13 +02:00
Jie Yang 12e180a27f ALSA: Docs: Add documentation for Jack kcontrols
Add documentation describing Jack kcontrols and how to use them
with HD-Audio and ASoC.

Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-04-27 21:39:03 +02:00
Takashi Iwai ce4524e5a7 ASoC: Updates for v4.1
More updates for v4.1, pretty much all drivers:
 
  - Lots of cleanups from Lars, mainly moving things from the CODEC level
    to the card level.
  - Continuing improvements to rcar from Morimoto-san, pcm512x from
    Howard and Peter, the Intel platforms from Vinod, Jie, Jin and Han,
    and to rt5670 from Bard.
  - Support for some non-DSP Qualcomm platforms, Google's Storm
    platform, Maxmim MAX98925 CODECs and the Ingenic JZ4780 SoC.
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Merge tag 'asoc-v4.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Updates for v4.1

More updates for v4.1, pretty much all drivers:

 - Lots of cleanups from Lars, mainly moving things from the CODEC level
   to the card level.
 - Continuing improvements to rcar from Morimoto-san, pcm512x from
   Howard and Peter, the Intel platforms from Vinod, Jie, Jin and Han,
   and to rt5670 from Bard.
 - Support for some non-DSP Qualcomm platforms, Google's Storm
   platform, Maxmim MAX98925 CODECs and the Ingenic JZ4780 SoC.
2015-04-13 14:14:29 +02:00
Howard Mitchell 3088ef9f5d ALSA: ControlName.txt: Add 'Analogue' as a prefix for volume controls
Currently 'Playback Volume' is the correct way to express an analogue
volume control. However, this control name has initialisation defaults
applied when using 'alsactl restore' and in some cases this is not
appropriate. An example would be a control that has a selection of
0db and -6dB of gain that is intended to set the fullscale ouput
voltage of a DAC. The TI pcm512x family of DAcs have such a control.
In this case the device/driver reset defaults are preferred.

Signed-off-by: Howard Mitchell <hm@hmbedded.co.uk>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-21 18:26:02 +00:00
Takashi Iwai 967b1307b6 ALSA: hda - Rename power_mgmt flag with power_save_node
David suggested that the name "power_mgmt" is too ambiguous.  Rename
the flag with a bit clearer one "power_save_node".

Also, add the corresponding description to HD-Audio.txt, too.

Reported-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-03-20 18:31:18 +01:00
Pierre-Louis Bossart 229d043096 ALSA: core: selection of audio_tstamp type and accuracy reports
Audio timestamps can be extracted from sample counters, wall clocks,
PHC clocks (Ethernet AVB), on-demand synchronized snapshots. This
patch provides the ability to report timestamping capabilities, select
timestamp types and retrieve timestamp accuracy, if supported.
Details can be found in Documentations/sound/alsa/timestamping.txt

This functionality is introduced by reclaiming the reserved_aligned
field introduced by commit9c7066aef4a5eb8e4063de28f06c508bf6f2963a
in snd_pcm_status to provide userspace with selection/query capabilities.
Additional driver_tstamp and audio_tstamp_accuracy fields are also added.

snd_pcm_mmap_status remains a read-only structure with only
the audio timestamp value accessible from user space. The selection
of audio timestamp type is done through snd_pcm_status only

This commit does not impact ABI and does not impact the default
behavior. By default audio timestamp is aligned with hw_pointer and
reports the DMA position. Backwards compatibility is handled by using
the HDAudio wall clock for playback and the hw_ptr for all other
cases.

For timestamp selection a new STATUS_EXT ioctl is introduced with
read/write parameters. Alsa-lib will be modified to make use of
STATUS_EXT.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-02-20 17:30:03 +01:00
Takashi Iwai 9faa73f06e ALSA: hda - Add "eapd" model string for AD1986A codec
Also update the documentation to the latest state.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-12-10 14:00:13 +01:00
Takashi Iwai 2b30d411db ALSA: pcm: Add xrun_injection proc entry
This patch adds a new proc entry for PCM substreams to inject an
XRUN.  When a PCM substream is running and any value is written to its
xrun_injection proc file, the driver triggers XRUN.  This is a useful
feature for debugging XRUN and error handling code paths.

Note that this entry is enabled only when CONFIG_SND_PCM_XRUN_DEBUG is
set.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-04 14:09:16 +01:00
Takashi Iwai f5914908a5 ALSA: pcm: Replace PCM hwptr tracking with tracepoints
ALSA PCM core has a mechanism tracking the PCM hwptr updates for
analyzing XRUNs.  But its log is limited (up to 10) and its log output
is a kernel message, which is hard to handle.

In this patch, the hwptr logging is moved to the tracing
infrastructure instead of its own.  Not only the hwptr updates but
also XRUN and hwptr errors are recorded on the trace log, so that user
can see such events at the exact timing.

The new "snd_pcm" entry will appear in the tracing events:
  # ls -F /sys/kernel/debug/tracing/events/snd_pcm
  enable  filter  hw_ptr_error/  hwptr/  xrun/

The hwptr is for the regular hwptr update events.  An event trace
looks like:

  aplay-26187 [004] d..3  4012.834761: hwptr: pcmC0D0p/sub0: POS: pos=488, old=0, base=0, period=1024, buf=16384

"POS" shows the hwptr update by the explicit position update call and
"IRQ" means the hwptr update by the interrupt,
i.e. snd_pcm_period_elapsed() call.  The "pos" is the passed
ring-buffer offset by the caller, "old" is the previous hwptr, "base"
is the hwptr base position, "period" and "buf" are period- and
buffer-size of the target PCM substream.
(Note that the hwptr position displayed here isn't the ring-buffer
 offset.  It increments up to the PCM position boundary.)

The XRUN event appears similarly, but without "pos" field.
The hwptr error events appear with the PCM identifier and its reason
string, such as "Lost interrupt?".

The XRUN and hwptr error reports on kernel message are still left, can
be turned on/off via xrun_debug proc like before.  But the bit 3, 4, 5
and 6 bits of xrun_debug proc are dropped by this patch.  Also, along
with the change, the message strings have been reformatted to be a bit
more consistent.

Last but not least, the hwptr reporting is enabled only when
CONFIG_SND_PCM_XRUN_DEBUG is set.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-11-04 14:09:14 +01:00
David Henningsson 8e64820419 ALSA: Update control names documentation
This document was not really up-to-date. Add recent additions to this
standard - based on what the HDA driver currently does, which is some
kind of a de facto standard.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-10-20 15:37:36 +02:00
Clemens Ladisch f42bb22243 ALSA: virtuoso: add Xonar Essence STX II support
Just add the PCI ID for the STX II.  It appears to work the same as the
STX, except for the addition of the not-yet-supported daughterboard.

Tested-by: Mario <fugazzi99@gmail.com>
Tested-by: corubba <corubba@gmx.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-08-04 15:20:48 +02:00
Takashi Iwai 892028acf0 ALSA: hda - Update model list documentation for IDT codecs
Just add missing recent entries.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-07-15 16:59:58 +02:00
Takashi Iwai 8b3dfdaf0c ALSA: hda - Adjust speaker HPF and add LED support for HP Spectre 13
HP Spectre 13 has the IDT 92HD95 codec, and BIOS seems to set the
default high-pass filter in some "safer" range, which results in the
very soft tone from the built-in speakers in contrast to Windows.
Also, the mute LED control is missing, since 92HD95 codec still has no
HP-specific fixups for GPIO setups.

This patch adds these missing features: the HPF is adjusted by the
vendor-specific verb, and the LED is set up from a DMI string (but
with the default polarity = 0 assumption due to the incomplete BIOS on
the given machine).

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=74841
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-06-25 17:50:24 +02:00
Carlos Garcia c98be0c96d doc: spelling error changes
Fixed multiple spelling errors.

Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Carlos E. Garcia <carlos@cgarcia.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-05-05 15:32:05 +02:00
Liam Girdwood d9e9ff5a8e ASoC: docs: Update the Overview document
Update the ASoC overview to bring it up to date with the current code base
and include multi-component.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-01-07 17:56:32 +00:00
Masanari Iida b327d25c1c ALSA: Fix typo in documentation/alsa
Correct spelling typo in documentation/alsa

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-29 11:38:04 +01:00
Mark Brown 9f7a949fb9 Merge remote-tracking branch 'asoc/topic/doc' into asoc-next 2013-10-24 11:24:05 +01:00
David Henningsson 7c478f0337 ALSA: hda - Add a headset mic model for ALC269 and friends
Using the headset mic model will cause the headset mic to be labeled
"headset mic" instead of just "mic".

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-10-11 10:23:49 +02:00
Takashi Iwai a0760527f5 ALSA: hda - Add documentation for CS4208 fixups
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-09-27 10:19:31 +02:00
Liam Girdwood 469b7bc4e6 ASoC: Docs: Add documentation for Dynamic PCM
Add documentation describing DPCM with examples of a DSP based
smart phone.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-23 12:06:25 +01:00
Liam Girdwood b5c47df974 ASoC: Docs: Machine update
Update the machine driver documentation and bring it up to date
with the current code base. This includes multi component.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-23 12:06:25 +01:00
Liam Girdwood 630a1b3b4f ASoC: Docs: update DAPM
Update the DAPM documentation and bring it up to date with the current
code base. This includes API changes and new widgets.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-23 12:06:25 +01:00
Liam Girdwood 3eb012834b ASoC: Docs: Platform update
Update the platform class driver documentation and bring it up to date
with the current code base. This includes multi component and DSP.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-23 12:06:24 +01:00
Liam Girdwood da5feefeda ASoC: Docs: Update codec documentation
Update the codec class driver documentation and bring it up to date
with the current code base. This includes API changes, regmap and
multi component.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-09-23 12:06:24 +01:00
Linus Torvalds 2e515bf096 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "The usual trivial updates all over the tree -- mostly typo fixes and
  documentation updates"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (52 commits)
  doc: Documentation/cputopology.txt fix typo
  treewide: Convert retrun typos to return
  Fix comment typo for init_cma_reserved_pageblock
  Documentation/trace: Correcting and extending tracepoint documentation
  mm/hotplug: fix a typo in Documentation/memory-hotplug.txt
  power: Documentation: Update s2ram link
  doc: fix a typo in Documentation/00-INDEX
  Documentation/printk-formats.txt: No casts needed for u64/s64
  doc: Fix typo "is is" in Documentations
  treewide: Fix printks with 0x%#
  zram: doc fixes
  Documentation/kmemcheck: update kmemcheck documentation
  doc: documentation/hwspinlock.txt fix typo
  PM / Hibernate: add section for resume options
  doc: filesystems : Fix typo in Documentations/filesystems
  scsi/megaraid fixed several typos in comments
  ppc: init_32: Fix error typo "CONFIG_START_KERNEL"
  treewide: Add __GFP_NOWARN to k.alloc calls with v.alloc fallbacks
  page_isolation: Fix a comment typo in test_pages_isolated()
  doc: fix a typo about irq affinity
  ...
2013-09-06 09:36:28 -07:00
Masanari Iida ac20ad14c3 doc: Fix typo "is is" in Documentations
Fix double words "is is" in Documentations.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-08-27 10:50:52 +02:00
Stefan Huber 298a439653 Documentation/sound/alsa/ fix a typo
Corrected the word avarage to average in the file compress_offload.txt.

Signed-off-by: Stefan Huber <steffhip@gmail.com>
Signed-off-by: Matthias Schid <aircrach115@gmail.com>
Signed-off-by: Simon Puels <simon.puels@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-08-20 12:41:11 +02:00
Takashi Iwai da96fb5b01 ALSA: hda - Fix invalid multi-io creation on VAIO-Z laptops
VAIO-Z laptops need to use the specific DAC for the speaker output
by some unknown reason although the codec itself supports the flexible
connection.  So we implemented a workaround by a new flag,
no_primary_hp, for assigning the speaker pin first.

This worked until 3.8 kernel, but it got broken because the driver
learned for a better multi-io pin mapping, and not it can assign two
mic pins for multi-io.  Since the multi-io requires to be the primary
output, the hp and two mic pins are assigned in prior to the speaker
in the end.

Although the machine has two mic pins, one of them is used as a noise-
canceling headphone, thus it's no real retaskable mic jack.  Thus, at
best, we can disable the multi-io assignment and make the parser
behavior back to the state before the multi-io.

This patch adds again a new flag, no_multi_io, to indicate that the
device has no multi-io capability, and set it in the fixup for
VAIO-Z.  The no_multi_io flag itself can be used generically, added
via a helper line, too.

Reported-by: Tormen <my.nl.abos@gmail.com>
Reported-by: Adam Williamson <awilliam@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-07-29 16:54:36 +02:00
Takashi Iwai eefb8be4a4 ALSA: hda - Remove analog mic pin override from STAC9228 dell-bios quirk
The current fixup for dell-bios model with STAC9228 codec contains the
override of pin 0x0c for analog mic.  But this is actually just adding
a bogus pin and confuses the parser.  Better to remove it for the
auto-mic switching.

Meanwhile, for a possible regression, keep the old configuration as
model=dell-bios-amic, so that people can test it again quickly.

Tested on Dell 1420n laptop.

Reported-and-tested-by: Eric Shattow <lucent@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-07-29 16:30:21 +02:00
Masanari Iida c9f3f2d8b3 doc: Fix typo in doucmentations
Correct typo (double words) in documentations.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2013-07-25 12:34:15 +02:00
David Henningsson 4cf4f4b4c1 ALSA: hda - Update HD-Audio-Models.txt
Add new known codecs, and fix up tabs.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-06-17 11:16:33 +02:00
David Henningsson e32aa85ab4 ALSA: hda - Add models for Dell headset jacks
These headset jacks keep coming in on more and more platforms, and
it's possible I don't catch them all. Make it easier to test and
verify by making models.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-06-17 11:15:56 +02:00
Takashi Iwai ad2109d7d2 ASoC: Updates for v3.10
A bunch of changes here, the most interesting one subsystem wise being
 Morimoto-san's work to create snd_soc_component which doesn't do much
 for now but will be pretty important going forwards:
 
  - Add a new component object type which will form the basis of moving
    to a more generic handling of SoC and off-SoC components, contributed
    by Kuninori Morimoto.
  - A fairly large set of cleanups for the dmaengine integration from
    Lars-Peter Clausen, starting to move towards being able to have a
    generic driver based on the library.
  - Performance optimisations to DAPM from Ryo Tsutsui.
  - Support for mixer control sharing in DAPM from Stephen Warren.
  - Multiplatform ARM cleanups from Arnd Bergmann.
  - New CODEC drivers for AK5385 and TAS5086 from Daniel Mack.
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Merge tag 'asoc-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v3.10

A bunch of changes here, the most interesting one subsystem wise being
Morimoto-san's work to create snd_soc_component which doesn't do much
for now but will be pretty important going forwards:

 - Add a new component object type which will form the basis of moving
   to a more generic handling of SoC and off-SoC components, contributed
   by Kuninori Morimoto.
 - A fairly large set of cleanups for the dmaengine integration from
   Lars-Peter Clausen, starting to move towards being able to have a
   generic driver based on the library.
 - Performance optimisations to DAPM from Ryo Tsutsui.
 - Support for mixer control sharing in DAPM from Stephen Warren.
 - Multiplatform ARM cleanups from Arnd Bergmann.
 - New CODEC drivers for AK5385 and TAS5086 from Daniel Mack.
2013-04-15 19:45:16 +02:00
Takashi Iwai 8fc24426f1 Revert "ALSA: hda - Allow power_save_controller option override DCAPS"
This reverts commit 6ab317419c.

The commit [6ab317419c: ALSA: hda - Allow power_save_controller option
override DCAPS] changed the behavior of power_save_controller so that
it can override the driver capability.  This assumed that this option
is rarely changed dynamically unlike power_save option.  Too naive.

It turned out that the user-space power-management tool tries to set
power_save_controller option to 1 together with power_save option
without knowing what's actually doing.  This enabled forcibly the
runtime PM of the controller,  which is known to be broken om many
chips thus disabled as default.

So, the only sane fix is to revert this commit again.  It was intended
to ease debugging/testing for runtime PM enablement, but obviously we
need another way for it.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=56171
Reported-and-tested-by: Nikita Tsukanov <keks9n@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-04-04 15:35:39 +02:00
Takashi Iwai cf30f46acd Merge branch 'for-linus' into for-next
Back-merged for refactoring beep stuff.
2013-03-18 11:04:42 +01:00
Masanari Iida 9ad477a145 ALSA: documentation: Fix typo in Documentation/sound
Correct spelling typos in Documentation/sound/alsa

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-17 10:12:13 +01:00
Takashi Iwai f811c3cf8f ALSA: hda - Consolidate add_in_jack_modes and add_out_jack_modes hints
There is no big merit to distinguish these two hints.  Instead, just
have a single flag, add_jack_modes, for creating the jack mode enum
ctls for both I/O directions.

The hint string parser code is left and translated as add_jack_modes
just for keeping compatibility.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-07 18:32:59 +01:00
Takashi Iwai 967303dabc ALSA: hda - Add the generic Headphone Mic feature
This patch improves the generic parser code to allow to set up the
headphone jack as a mic input.  User can enable this feature by giving
hp_mic hint string.

The former shared hp/mic feature for the single built-in mic is still
retained.  This detection can be disabled now via hp_mic_detect hint
string, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-03-07 18:29:52 +01:00
Jeeja KP 9727b490e5 ALSA: compress: add support for gapless playback
this add new API for sound compress to support gapless playback.
As noted in Documentation change, we add API to send metadata of encoder and
padding delay to DSP. Also add API for indicating EOF and switching to
subsequent track

Also bump the compress API version

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-14 12:30:22 +01:00
Fernando Luis Vázquez Cao d911149625 ALSA: hda - update documentation for no-primary-hp fixup
The problem addressed by this fixup is not specific to Vaio Z, affecting
some Vaio all-in-one desktop PCs too. Update the code comments accordingly.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-02-12 10:12:39 +01:00
Takashi Iwai 7b2ee291fb ALSA: hda - Update documentation
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-29 10:10:23 +01:00
Takashi Iwai 6ab317419c ALSA: hda - Allow power_save_controller option override DCAPS
Change the power_save_controller option to bint from bool so that user
can override the runtime PM capability bit and force to enable or
disable the runtime PM.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-01-09 11:15:13 +01:00
Takashi Iwai 20d32022a8 ALSA: usb-audio: Deprecate async_unlink option
The async unlink behavior has been working over years.  The option was
provided only as a workaround for 2.4.x kernel.  Let's get rid of it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-11-21 11:37:40 +01:00
Takashi Iwai e5d6db8e60 Merge branch 'topic/tlv-chmap' into for-next
This is a merge of a topic branch containing the support for the new
channel map API using control elements.
2012-09-15 16:32:31 +02:00
Takashi Iwai 1dac6695c6 ALSA: hda - Allow to pass position_fix=0 explicitly
Set the default value of position_fix -1, and allow user passing
position_fix=0 explicitly to set the "auto" position-fix mode.
Otherwise the auto mode may be switched to others like COMBO of
VIACOMBO when the controller prefers it, thus user can't set the auto
mode any longer.

Also updated the documentation appropriately, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-13 15:03:10 +02:00
Takashi Iwai 7b31d0095e ALSA: Define more channel map positions
For following the standard, define more channel map positions and
shuffle the items a bit:

- As both PulseAudio and gstreamer define MONO channel position
  explicitly, we should follow that, too.  The mono streams point to
  this channel position unless they are explicitly assigned to certain
  channel positions.

- Top-front-* and Top-rear-* positions are added, carried from
  PulseAudio's definitions.

- Move NA and MONO definitions at the top of table right after
  UNKNOWN, since these are more abstract in comparison with other
  practical positions.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-12 18:13:03 +02:00
Takashi Iwai 080108c474 ALSA: Follow channel position definitions to alsa-lib mixer
There is already a set of channel position definitions in alsa-lib
mixer.h, and it'd be more practical to keep the same order for the
PCM channel map, too.  The value is shifted with 1 to keep zero for
UNKNOWN.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-06 18:08:34 +02:00
Takashi Iwai be84bbcccc ALSA: Add a documentation for channel mapping API
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-06 18:01:17 +02:00