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Linus Torvalds 1286da8bc0 sound updates for 3.11
A relative calm release at this time with a flat diffstat.
 The only significant change in the ALSA core side is the support for
 more than 32 card instances, configurable via kconfig.
 Other than that, in both ASoC and other parts, mostly some
 improvements and fixes on the driver side.
 
 - hda: More quirks for ALC269-variants on Dell & co, VIA codec fixes
 - hda: Haswell HDMI audio fixes, runtime PM improvements
 - hda: Intel BayTrail support, ALC5505 DSP support
 - es1968: MediaForte M56VAP support
 - usb-audio: Improved support for Yamaha/Roland devices
 - usb-audio: M2Tech hiFace, Audio Advantage Micro II support
 - hdspm: wordclock fixes
 - ASoC: Pending fixes for WM8962
 - ASoC: Cleanups and fixes for Blackfin, SGTL5000 and UX500
 - ASoC: Generalisation of the Bluetooth and HDMI stub drivers
 - ASoC: SSM2518 and RT5640 codec drivers.
 - ASoC: Tegra CPUs with RT5640 machine driver
 - ASoC: AC'97 refactoring bug fixes
 - ASoC: ADAU1701 driver fixes
 - Clean up of *_set_drvdata() in a wide range of drivers
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Merge tag 'sound-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "A relative calm release at this time with a flat diffstat.  The only
  significant change in the ALSA core side is the support for more than
  32 card instances, configurable via kconfig.  Other than that, in both
  ASoC and other parts, mostly some improvements and fixes on the driver
  side.

   - hda: More quirks for ALC269-variants on Dell & co, VIA codec fixes
   - hda: Haswell HDMI audio fixes, runtime PM improvements
   - hda: Intel BayTrail support, ALC5505 DSP support
   - es1968: MediaForte M56VAP support
   - usb-audio: Improved support for Yamaha/Roland devices
   - usb-audio: M2Tech hiFace, Audio Advantage Micro II support
   - hdspm: wordclock fixes
   - ASoC: Pending fixes for WM8962
   - ASoC: Cleanups and fixes for Blackfin, SGTL5000 and UX500
   - ASoC: Generalisation of the Bluetooth and HDMI stub drivers
   - ASoC: SSM2518 and RT5640 codec drivers.
   - ASoC: Tegra CPUs with RT5640 machine driver
   - ASoC: AC'97 refactoring bug fixes
   - ASoC: ADAU1701 driver fixes
   - Clean up of *_set_drvdata() in a wide range of drivers"

* tag 'sound-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (284 commits)
  ALSA: vmaster: Fix the regression of missing vmaster hook call
  ALSA: hda - Add Dell SSID to support Headset Mic recording
  ASoC: adau1701: remove control_data assignment
  ASoC: adau1701: more direct regmap usage
  ASoC: ac97: fixup multi-platform AC'97 module build failure
  ASoC: pxa2xx: fixup multi-platform AC'97 build failures
  ASoC: tegra20-ac97: Remove unused variable
  ASoC: tegra20-ac97: Remove duplicate error message
  ALSA: usb-audio: Add Audio Advantage Micro II
  ASoC: tas5086: fix Mid-Z implementation
  ASoC: tas5086: fix TAS5086_CLOCK_CONTROL register size
  ALSA: Replace the magic number 44 with const
  ALSA: hda - Fix the max length of control name in generic parser
  ALSA: hda - Guess what, it's two more Dell headset mic quirks
  ALSA: hda - Yet another Dell headset mic quirk
  ALSA: hda - Add support for ALC5505 DSP power-save mode
  ASoC: mfld: Remove unused variable
  ALSA: usb-audio: add quirks for Roland QUAD/OCTO-CAPTURE
  ALSA: usb-audio: claim autodetected PCM interfaces all at once
  ALSA: usb-audio: remove superfluous Roland quirks
  ...
2013-07-03 19:52:22 -07:00
Matt Porter 3ad7a42d5a ARM: davinci: move private EDMA API to arm/common
Move mach-davinci/dma.c to common/edma.c so it can be used
by OMAP (specifically AM33xx) as well.

Signed-off-by: Matt Porter <mporter@ti.com>
Acked-by: Chris Ball <cjb@laptop.org> # davinci_mmc.c
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
[nsekhar@ti.com: dropped davinci sffsdr changes]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
2013-06-18 10:52:03 +05:30
Mark Brown 684d8c515c Merge remote-tracking branch 'asoc/topic/davinci' into asoc-next 2013-06-17 17:20:18 +01:00
Sekhar Nori 4867e99d21 ASoC: davinci: remove sffsdr machine support
sffsdr machine support does not build since at least v2.6.36
(~3 years). There is little hope of it being fixed, so remove
the support.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-06-17 09:59:31 +01:00
Sachin Kamat ea421eb18d ASoC: davinci: Remove redundant use of of_match_ptr macro
'mcasp_dt_ids' is always compiled in. Hence of_match_ptr is not
necessary.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2013-06-03 16:46:05 +01:00
Daniel Mack 7967189251 ASoC: davinci: fix sample rotation
McASP serial audio engine needs different rotation values on TX and RX
channels. Commit dde109fb46 ("ASoC: McASP: Fix data rotation for
playback. Enables 24bit audio playback") changed the calculation to fix
the playback format, but broke the capture stream by doing it for both
TXFMT and RXFMT.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org [3.9 only]
2013-05-21 13:21:09 -05:00
Lars-Peter Clausen cde11aedea ASoC: davinci-sffsdr: Staticize non exported struct
The pcm3008_codec struct is not used outside of davinci-sffsdr.c, so make it
static.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-05-15 08:54:14 +04:00
Takashi Iwai f91eeeb595 ASoC: Updates for v3.10
A few more bug fixes, the DAPM clock fix is actually a driver specific
 one since currently there's only one user of the clock support due to
 the problems relying on the clock API.
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Merge tag 'asoc-v3.10-4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v3.10

A few more bug fixes, the DAPM clock fix is actually a driver specific
one since currently there's only one user of the clock support due to
the problems relying on the clock API.
2013-05-03 11:39:36 +02:00
Marek Belisko df4a4eece7 ASoC: McASP: Fix receive clock polarity in DAIFMT_NB_NF mode.
According documentation bit ACLKRPOL is set to 0 (receiver samples data
on falling edge) and when set to 1 (receiver samples data on rising edge).

I2S data are always sampled on falling edge and valid during rising edge
of bit clock. So in case of capture data transmitter sample data on falling
edge and macsp must read then on rising edge.

Signed-off-by: Marek Belisko <marek.belisko@streamunlimited.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-05-03 09:29:59 +01:00
Marek Belisko 81ee6833bc ASoC: McASP: Add pins output direction for rx clocks when configured in CBS_CFS format
When McASP is bit clock and frame clock master enable pin output for rx clocks.

Signed-off-by: Marek Belisko <marek.belisko@streamunlimited.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-30 19:44:23 +01:00
Michal Bachraty d486fea6ba ASoC: davinci-mcasp: Add Support BCLK-to-LRCLK ratio for TDM modes
For TDM mode, BCLK-to-LCLK ratio is computed as (tdm_slots) x (word_length).
I2S mode is only subset of TDM mode with specific tdm_slots = 2 channels.
Also bclk_lrclk_ratio can be greater than 255, therefore u16 need to be used.

Signed-off-by: Michal Bachraty <michal.bachraty@streamunlimited.com>
Acked-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-23 14:50:30 +01:00
Michal Bachraty 7c21a78104 ASoC: davinci-pcm, davinci-mcasp: Clean up active_serializers
As pointed of by Vaibhav, commit message: "ASoC: davinci-mcasp: Add support for multichannel playback"
number of active serializers can be hidden into fifo_level variable, which is set in davimci-mcasp.

Signed-off-by: Michal Bachraty <michal.bachraty@streamunlimited.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-23 14:50:21 +01:00
Mark Brown d66e065c5b Merge remote-tracking branch 'asoc/topic/davinci' into asoc-next 2013-04-12 13:57:03 +01:00
Yegor Yefremov f5023af65a ASoC: davinci-mcasp: don't overwrite DIT settings
Channel size settings will be made at the end of
davinci_mcasp_hw_params() routine and thus overwrite frame
format settings made for DIT mode. This patch fixes this issue
by taking op_mode into account. Tested with official PSP 3.2
kernel and sii9022a HDMI transmitter.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05 11:27:13 +01:00
Yegor Yefremov 2dda75e07d ASoC: davinci-mcasp: don't configure AFSX direction in DIT mode
AFSX won't be used in DIT mode. The related pins are AHCLKX and
the data pins.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Acked-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-04-05 11:27:09 +01:00
Kuninori Morimoto eeef0eda7a ASoC: switch over to use snd_soc_register_component() on davinci mcasp
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-03-26 21:55:22 +00:00
Kuninori Morimoto ee226ce195 ASoC: switch over to use snd_soc_register_component() on davinci vcif
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-03-26 21:55:22 +00:00
Kuninori Morimoto bfcb921caf ASoC: switch over to use snd_soc_register_component() on davinci i2s
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-03-26 21:55:21 +00:00
Daniel Mack ecf327c7ca ASoC: davinci-mcasp: clean up davinci_hw_common_param()
As pointed of by Vaibhav, commit 2952b27e2 ("ASoC: davinci-mcasp:
Add support for multichannel playback") duplicated the logic of
counting the active serializers. That can be avoided by shifting
the code around a bit.

Also, drop two unused defines introduced by the same commit.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-03-12 19:03:53 +00:00
Michal Bachraty 2952b27e2e ASoC: davinci-mcasp: Add support for multichannel playback
Davinci McASP has support for I2S multichannel playback.
For I2S playback/receive, each serializer is capable to play 2 channels
(L/R) audio data.Serializer function (Playback-receive-none) is configured
in DT, depending on hardware specification. It is possible to play less
channels than configured in DT. For that purpose,only specific number of
active serializers are enabled. McASP FIFO need to have DMA transfer Bcnt
set to number of enabled serializers, otherwise no data are transfered to
McASP and Alsa generates "DMA/IRQ playback write error (DMA or IRQ trouble?)"
error. For TDM mode, McASP is capable to play or receive 32 channels for one
serializer. McAsp has support for max 16 serializer, therefore max channels
is 32 * 8.

Signed-off-by: Michal Bachraty <michal.bachraty@streamunlimited.com>
Tested-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-03-04 11:09:13 +08:00
Mark Brown 315472d5ab Merge remote-tracking branch 'asoc/topic/tlv320aic3x' into asoc-next 2013-02-11 11:06:46 +00:00
Hebbar Gururaja e2e8bfdf61 ASoC: tlv320aic3x: Convert mic bias to a supply widget
Convert MicBias widgets to supply widget.

On tlv320aic3x, Mic bias power on/off shares the same register bits
with output mic bias voltage.  So, when power on mic bias, we need
reclaim it to voltage value.

Provide a new platform data so that the micbias voltage can be sent
according to board requirement. Now since tlv320aic3x codec driver
is DT aware, update dt files and functions to handle this new
"micbias-vg"  platform data.

Because of sharing of bits, when enabling the micbias, voltage also
needs to be updated. So use SND_SOC_DAPM_POST_PMU & SND_SOC_DAPM_PRE_PMD
macro to create an event to handle this.

Since micbias is converted to supply widget, updated machine drivers as
well.

This change is runtime tested on da850-evm with audio loopback
(arecord|aplay) for confirmation.

Signed-off-by: Hebbar Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-02-04 18:35:19 +00:00
Michal Bachraty dde109fb46 ASoC: McASP: Fix data rotation for playback. Enables 24bit audio playback
u32 rotate = (32 - word_length) / 4;
This implementation is wrong, but it works only for 16, or 32 bit audio data.
(rotation for 16 or 32 bit is same as in code I present) Mcasp rotated data in
4 bits (max value 0x7)and then masks them . That data are sended to i2s bus.
For 24 bit or 20 bit or other data formats, this code rotates data badly and
you hear somethink like noise.  You need to use
u32 rotate = (word_length / 4) & 0x7;
to proper data rotation.

Signed-off-by: Michal Bachraty <michal.bachraty@streamunlimited.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2013-01-27 14:14:46 +08:00
Daniel Mack 1b3bc060fb ASoC: McASP: implement a way to force BCLK/LRCLK ratios
Depending on the Codec, the the BCLK/LRCLK ratio might not be freely
chosen by the CPU DAI.

For example, some Codec might want to be supplied with 32-bit samples
for both its channels regardless of the actual audio word size the CPU
sends. In such cases, the rest of the bits on the data lines must be
padded with zeros:

          _______________________________
LRCLK    /                               \
      --'                                 `---------- .....

BCLK  ||||||||||||||||||||||||||||||||||||||||||||||| .....

DATA  ____||||||||||||||||_________________|||||||||| .....

          |<--  data  -->|<--   pads  --> |

This patch adds a new clock divider to configure the BCLK/LRCLK ratio.
If the machine code uses that divider, the driver uses the specified
value, instead of deriving that information from the audio word size.

Otherwise, the original behaviour is retained.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-12-07 14:47:10 +09:00
Daniel Mack ba764b3def ASoC: McASP: calculate values for channel size
Change davinci_config_channel_size() to derive the values for XSSZ and
XROT in DAVINCI_MCASP_[RT]XFMT_REG from the configured word length
rather than hard-coding them in a switch/case block.

Also, by directly passing the word length to
davinci_config_channel_size(), we can get rid of the
DAVINCI_AUDIO_WORD_* enum.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-12-07 14:47:01 +09:00
Daniel Mack d0c6c482f6 ASoC: McASP: remove unused variables
codec_fmt and sample_rate variables are unused in both snd_platform_data
and davinci_audio_dev, so drop them.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-12-07 14:46:56 +09:00
Matt Porter b8ec56d8ea ASoC: davinci: replace private sram api with genalloc
Removes the DaVinci private SRAM API and replaces it with
the genalloc API. The SRAM gen_pool is passed in pdata since
DaVinci is in the early stages of DT conversion.

[zonque@gmail.com: stub out gen_pool functions for
		   !CONFIG_GENERIC_ALLOCATOR]

Signed-off-by: Matt Porter <mporter@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-22 14:58:34 +01:00
Daniel Mack 6b7fa01157 ASoC: McASP: treat SNDRV_PCM_FORMAT_U24_* as 32 bit words
Signed-off-by: Daniel Mack <zonque@gmail.com>
Reported-by: Mike Looijmans <mike.looijmans@topic.nl>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-15 11:24:48 +09:00
Daniel Mack 21eb24d8d5 ASoC: McASP: add support for 24 bit samples
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-15 11:24:48 +09:00
Daniel Mack 5296cf2d5e ASoC: McASP: set format parameters in dependence of the DAI format
The FSDUR flag configures whether the frame clock uses a high phase of
only one bit or a full word. This has to be set depending on the DAI
format.

For other modes than DSP_B, the FSXDLY/FSRDLY fields have to be set to
1.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-15 11:24:47 +09:00
Daniel Mack 5b66aa2d0c ASoC: McASP: make AHCLK direction configurable
Add a .set_sysclk function to pass the direction of the clock down to
the driver. Only enable AHCLKX in the PDIR register when the CPU is
driving the clock.

This also removes the modification of the AHCLKXE/AHCLKRE bits in the
hw_params callback, and users must set the desired configuration using
snd_soc_dai_set_sysclk(), which this patch also does for the only user
in mainline (davinci-evm).

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-15 11:24:47 +09:00
Daniel Mack 4ed8c9b737 ASoC: McASP: add support for clock dividers
Add support for the internal clock dividers of the McASP driver.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-15 11:24:47 +09:00
Daniel Mack 393a53cbcf ASoC: enable 192KHz support for McASP
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-10-15 11:24:29 +09:00
Hebbar, Gururaja e5ec69da24 ASoC: Davinci: McASP: add support new McASP IP Variant
The OMAP2+ variant of McASP is different from Davinci variant w.r.to
some register offset.

Changes
- Add new MCASP_VERSION_3 to identify new variant. New DT compatible
  "ti,omap2-mcasp-audio" to identify version 3 controller.
- The register offsets are handled depending on the version.

Note:
    DMA parameters (dma fifo offset) are not updated and will be done later.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-09-06 08:20:33 +08:00
Mark Brown 75d8f2931a Merge branch 'asoc-omap' into for-3.7 2012-09-05 20:05:11 +08:00
Hebbar, Gururaja ffb690d5aa ASoC: Davinci: evm: Fix typo in cpu dai name
Fix typo caused by recent commit (cf53756 - ASoC: davinci: davinci-pcm
does not need to be a plaform_driver)

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-31 17:47:19 -07:00
Hebbar, Gururaja 3e3b8c3415 ASoC: Davinci: McASP: add device tree support for McASP
Add device tree probe for McASP driver.

Note:
DMA parameters are not populated from DT and will be done later.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-27 11:12:09 -07:00
Hebbar, Gururaja 896f66b7de ASoC/ARM: Davinci: McASP: split asp header into platform and audio specific
Davinci McASP header & driver are shared by few OMAP platforms (like
TI81xx, AM335x). Splitting asp header into Davinci platform specific
header and Audio specific header helps to share them across platforms.

Audio specific defines is moved to to common
<linux/platform_data/davinci_asp.h> so that the header can be
accessed by all related platforms.

While here, correct the header usage (remove multiple header
re-definitions and unused headers) and remove platform names from
structures comments and enum. Also some some coding style errors.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Acked-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-27 11:12:09 -07:00
Hebbar, Gururaja f08095a408 ASoC: davinci: davinci-pcm does not need to be a plaform_driver
Same as the commit 518de86 (ASoC: tegra: register 'platform' from DAIs,
get rid of pdev). It makes davinci-pcm not a platform_driver but helper
to register "platform", so that the platform_device for davinci-pcm can
be saved completely.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-27 11:12:08 -07:00
Hebbar, Gururaja 10884347f1 ASoC: McASP: Convert driver to use Runtime PM API
* Add Runtime PM support to McASP host controller.
  * Use Runtime PM API to enable/disable McASP clock.

This was tested on AM18x Board using suspend/resume

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-09 14:06:10 +01:00
Hebbar, Gururaja 8f24549979 ASoC: Davinci: McASP: remove unused header include
Defines or parameters from <mach/mux.h> isn't used anywhere. Hence
remove the header include.

Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-09 14:06:10 +01:00
Vaibhav Bedia 0d62427572 ASoC: Davinci: McASP: Flush the FIFO before enabling
FIFO should be flushed before it is enabled for the first time.
This fixes the I/O errors reported by the ASoC core on a fresh boot

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Hebbar, Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-08-09 14:05:47 +01:00
Joachim Eastwood 350e16d529 ASoC: replace 0xffffffff with DMA_BIT_MASK macro
Signed-off-by: Joachim Eastwood <joachim.eastwood@jotron.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-01-20 13:58:26 +00:00
Joachim Eastwood 25e9e7565f ASoC: check for substream not channels_min in pcm engines
This is a follow up on 53dea36c70 which fixes the other affected
pcm engines.

Description from 53dea36c70c1857:
 Don't rely on the codec's channels_min information to decide wheter or
 not allocate a substream's DMA buffer. Rather check if the substream
 itself was allocated previously.

Without this patch I was seeing null-pointer dereferenc in atmel-pcm.

Signed-off-by: Joachim Eastwood <joachim.eastwood@jotron.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-01-07 11:18:05 -08:00
Julia Lawall cd0ff7eff0 ASoC: davinci-i2s.c: use devm_ functions
The various devm_ functions allocate memory that is released when a driver
detaches.  This patch uses devm_kzalloc, devm_request_mem_region and
devm_ioremap for data that is allocated in the probe function of a platform
device and is only freed in the remove function.

In this case, the original code did not contain a call to iounmap, nor does
one appear anywhere else in the file.  I have assumed that it is safe to
use devm_ioremap for the allocation in any case.

Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-01-02 13:07:56 +00:00
Julia Lawall 96d31e2b12 ASoC: davinci-mcasp.c: use devm_ functions
The various devm_ functions allocate memory that is released when a driver
detaches.  This patch uses devm_kzalloc, devm_request_mem_region and
devm_ioremap for data that is allocated in the probe function of a platform
device and is only freed in the remove function.

In this case, the original code did not contain a call to iounmap, nor does
one appear anywhere else in the file.  I have assumed that it is safe to
use devm_ioremap for the allocation in any case.

Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-01-02 13:07:51 +00:00
Julia Lawall a3bb8f3f81 ASoC: davinci-vcif.c: use devm_ functions
The various devm_ functions allocate memory that is released when a driver
detaches.  This patch uses devm_kzalloc, devm_request_mem_region and
devm_ioremap for data that is allocated in the probe function of a platform
device and is only freed in the remove function.

Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-01-02 13:07:46 +00:00
Axel Lin 36a16d1ae0 ASoC: davinci: Add .owner to struct snd_soc_card
Missed .owner of struct snd_soc_card will prevent the module from being
removed from underneath its users.

Reported-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-12-22 17:34:34 +00:00
Axel Lin f9b8a51493 ASoC: Convert davinci directory to module_platform_driver
Factor out some boilerplate code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-11-25 13:15:31 +00:00
Lars-Peter Clausen 85e7652d89 ASoC: Constify snd_soc_dai_ops structs
Commit 1ee46ebd("ASoC: Make the DAI ops constant in the DAI structure")
introduced the possibility to have constant DAI ops structures, yet this is
barley used in both existing drivers and also new drivers being submitted,
although none of them modifies its DAI ops structure. The later is not
surprising since existing drivers are often used as templates for new drivers.
So this patch just constifies all existing snd_soc_dai_ops structs to eliminate
the issue altogether.

The patch was generated with the following coccinelle semantic patch:
// <smpl>
@@
identifier ops;
@@
-struct snd_soc_dai_ops ops =
+const struct snd_soc_dai_ops ops =
{ ... };
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2011-11-23 10:40:46 +00:00