Commit Graph

578 Commits

Author SHA1 Message Date
Sylwester Nawrocki 9b08f30c4f ASoC: samsung: Remove unused now unused struct s3c_dma_params
There is no user of this data structure now, all users have been converted
to use struct snd_dmaengine_dai_dma_data instead.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-08 11:55:20 +01:00
Sylwester Nawrocki 2feb616539 ASoC: samsung: Drop usage of of struct s3c_dma_params from pcm.c
struct s3c_dma_params already includes struct snd_dmaengine_dai_dma_data,
there is no need for such an indirection so switch to using struct
snd_dmaengine_dai_dma_data instead of struct s3c_dma_params.  This also
allows us to use snd_soc_dai_init_dma_data() function instead of the
platform specific samsung_asoc_init_dma_data helper.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-08 11:55:20 +01:00
Sylwester Nawrocki 2b6583457d ASoC: samsung: Drop usage of struct s3c_dma_params from spdif.c
struct s3c_dma_params already includes struct snd_dmaengine_dai_dma_data,
there is no need for such an indirection so switch to using struct
snd_dmaengine_dai_dma_data instead of struct s3c_dma_params.  This also
allows us to use snd_soc_dai_init_dma_data() function instead of the
platform specific samsung_asoc_init_dma_data helper.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-08 11:55:20 +01:00
Sylwester Nawrocki 996d81e167 ASoC: samsung: Drop usage of struct s3c_dma_params from ac97.c
struct s3c_dma_params already includes struct snd_dmaengine_dai_dma_data,
there is no need for such an indirection so switch to using struct
snd_dmaengine_dai_dma_data instead of struct s3c_dma_params.  This also
allows us to use snd_soc_dai_init_dma_data() function instead of the
platform specific samsung_asoc_init_dma_data helper.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-08 11:55:20 +01:00
Sylwester Nawrocki ea37bd4df5 ASoC: samsung: Drop usage of struct s3c_dma_params from s3c2412-i2s.c
struct s3c_dma_params already includes struct snd_dmaengine_dai_dma_data,
there is no need for such an indirection so switch to using struct
snd_dmaengine_dai_dma_data instead of struct s3c_dma_params.  This also
allows us to use snd_soc_dai_init_dma_data() function instead of the
platform specific samsung_asoc_init_dma_data helper.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-08 11:55:20 +01:00
Sylwester Nawrocki 8999390e40 ASoC: samsung: Drop usage of struct s3c_dma_params from s3c24xx-i2s.c
struct s3c_dma_params already includes struct snd_dmaengine_dai_dma_data,
there is no need for such an indirection so switch to using struct
snd_dmaengine_dai_dma_data instead of struct s3c_dma_params.  This also
allows us to use snd_soc_dai_init_dma_data() function instead of the
platform specific samsung_asoc_init_dma_data helper.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-08 11:55:20 +01:00
Sylwester Nawrocki 69e7a69a22 ASoC: samsung: Drop usage of struct s3c_dma_params from i2s.c
struct s3c_dma_params already includes struct snd_dmaengine_dai_dma_data,
there is no need for such an indirection so switch to using struct
snd_dmaengine_dai_dma_data instead of struct s3c_dma_params.  This also
allows us to use snd_soc_dai_init_dma_data() function instead of the
platform specific samsung_asoc_init_dma_data helper.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-08 11:55:20 +01:00
Sylwester Nawrocki 1bc610e7a1 ASoC: samsung: Fix clock handling in S3C24XX_UDA134X card
There is no "pclk" alias in the s3c2440 clk driver for "soc-audio"
device so related clk_get() fails, which prevents any operation
of the S3C24XX_UDA134X sound card.
Instead we get the clock on behalf of the I2S device, i.e. we use
the I2S block gate clock which has PCLK is its parent clock.

Without this patch there is an error like:

s3c24xx_uda134x_startup cannot get pclk
ASoC: UDA134X startup failed: -2

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-08-04 11:21:14 +01:00
Sylwester Nawrocki 42a74e7747 ASoC: samsung: Specify DMA channels through struct snd_dmaengine_pcm_config
The DMA channel names are specified through struct snd_dmaengine_pcm_config
rather than using SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME flag when
booting with devicetree in order to properly support deferred probing.
Without this change the sound machine driver initialization can complete
successfully with unavailable DMA resources.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-07-21 19:18:17 +01:00
Sylwester Nawrocki 2b960386cb ASoC: samsung: Fix error paths in the I2S driver's probe()
Ensure they secondary DAI device is freed properly when asoc_dma_platform
registration fails.  This change is needed for proper deferred probe support
and will help preventing situations when the CPU DAI's initialization
completes without required DMA resources.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-07-21 19:18:17 +01:00
Colin Ian King 48b418d7fd ASoC: samsung: fix spelling mistake: "unknwon" -> "unknown"
trivial fix to spelling mistake in pr_err message

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-06-26 12:29:26 +01:00
Sylwester Nawrocki ee12a817bb ASoC: samsung: Remove unused Odroid x2/u3 machine driver
We have been using "simple-audio-card" for Odroid X2/U3 boards,
as can be seen from sound node in arch/arm/boot/dts/
exynos4412-odroid-common.dtsi. A dedicated machine driver is not
needed and it is removed in this patch.
There is no dts files using "samsung,odroidx2-audio" or
"samsung,odroidu3-audio" compatible strings.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-30 16:20:03 +01:00
Sylwester Nawrocki 2f7b5d1420 ASoC: samsung: Use of_device_get_match_data() helper
Simplify the code a little by using a standard function for
getting the match data.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-30 16:20:03 +01:00
Sylwester Nawrocki 42b926b8d0 ASoC: samsung: Remove definition of an unused data structure
samsung_dai_type_pri is not referenced anywhere so remove it.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-30 16:20:03 +01:00
Sylwester Nawrocki b084c052c7 ASoC: samsung: Remove unused "samsung-i2sv4" platform_device_id entry
"samsung-i2sv4" identifier was previously used for the I2S device
of the S5PV210 SoCs, it can be removed now when s5pv210 is a dt-only
platform.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-05-30 16:20:03 +01:00
Mark Brown b25d2803e9 Merge remote-tracking branches 'asoc/topic/rt5640', 'asoc/topic/rt5659', 'asoc/topic/samsung' and 'asoc/topic/ssm4567' into asoc-next 2016-03-13 15:17:47 +07:00
Charles Keepax 316fa9e09a ASoC: samsung: Use IRQ safe spin lock calls
Lockdep warns of a potential lock inversion, i2s->lock is held numerous
times whilst we are under the substream lock (snd_pcm_stream_lock). If
we use the IRQ unsafe spin lock calls, you can also end up locking
snd_pcm_stream_lock whilst under i2s->lock (if an IRQ happens whilst we
are holding i2s->lock). This could result in deadlock.

[   18.147001]        CPU0                    CPU1
[   18.151509]        ----                    ----
[   18.156022]   lock(&(&pri_dai->spinlock)->rlock);
[   18.160701]                                local_irq_disable();
[   18.166622]                                lock(&(&substream->self_group.lock)->rlock);
[   18.174595]                                lock(&(&pri_dai->spinlock)->rlock);
[   18.181806]   <Interrupt>
[   18.184408]     lock(&(&substream->self_group.lock)->rlock);
[   18.190045]
[   18.190045]  *** DEADLOCK ***

This patch changes to using the irq safe spinlock calls, to avoid this
issue.

Fixes: ce8bcdbb61 ("ASoC: samsung: i2s: Protect more registers with a spinlock")
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2016-02-20 00:29:19 +09:00
Arnd Bergmann ba4bc32eaa ASoC: s3c24xx: use const snd_soc_component_driver pointer
An older patch to convert the API in the s3c i2s driver
ended up passing a const pointer into a function that takes
a non-const pointer, so we now get a warning:

sound/soc/samsung/s3c2412-i2s.c: In function 's3c2412_iis_dev_probe':
sound/soc/samsung/s3c2412-i2s.c:172:9: error: passing argument 3 of 's3c_i2sv2_register_component' discards 'const' qualifier from pointer target type [-Werror=discarded-qualifiers]

However, the s3c_i2sv2_register_component() function again
passes the pointer into another function taking a const, so
we just need to change its prototype.

Fixes: eca3b01d08 ("ASoC: switch over to use snd_soc_register_component() on s3c i2s")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2016-01-27 14:59:46 +00:00
Linus Torvalds 6b5a12dbca ARM: SoC multiplatform code changes for v4.5
This branch is the culmination of 5 years of effort to bring the ARMv6
 and ARMv7 platforms together such that they can all be enabled and
 boot the same kernel. It has been a tremendous amount of cleanup and
 refactoring by a huge number of people, and creation of several new
 (and major) subsystems to better abstract out all the platform details
 in an appropriate manner.
 
 The bulk of this branch is a large patchset from Arnd that brings several
 of the more minor and older platforms we have closer to multiplatform
 support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0 and realview
 Much of this is moving around header files from old mach directories,
 but there are also some cleanup patches of debug_ll (lowlevel debug
 per-platform options) and other parts.
 
 Linus Walleij also has some patchs to clean up the older ARM Realview
 platforms by finally introducing DT support, and Rob Herring has some
 for ARM Versatile which is now DT-only. Both of these platforms are
 now multiplatform.
 
 Finally, a couple of patches from Russell for Dove PMU, and a fix from
 Valentin Rothberg for Exynos ADC, which were rebased on top of the
 series to avoid conflicts.
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform code updates from Arnd Bergmann:
 "This branch is the culmination of 5 years of effort to bring the ARMv6
  and ARMv7 platforms together such that they can all be enabled and
  boot the same kernel.  It has been a tremendous amount of cleanup and
  refactoring by a huge number of people, and creation of several new
  (and major) subsystems to better abstract out all the platform details
  in an appropriate manner.

  The bulk of this branch is a large patchset from Arnd that brings
  several of the more minor and older platforms we have closer to
  multiplatform support.  Among these are MMP, S3C64xx, Orion5x, mv78xx0
  and realview Much of this is moving around header files from old mach
  directories, but there are also some cleanup patches of debug_ll
  (lowlevel debug per-platform options) and other parts.

  Linus Walleij also has some patchs to clean up the older ARM Realview
  platforms by finally introducing DT support, and Rob Herring has some
  for ARM Versatile which is now DT-only.  Both of these platforms are
  now multiplatform.

  Finally, a couple of patches from Russell for Dove PMU, and a fix from
  Valentin Rothberg for Exynos ADC, which were rebased on top of the
  series to avoid conflicts"

* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
  ARM: realview: don't select SMP_ON_UP for UP builds
  ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
  ARM: s3c64xx: fix pm-debug compilation
  iio: exynos-adc: fix irqf_oneshot.cocci warnings
  ARM: realview: build realview-dt SMP support only when used
  ARM: realview: select apropriate targets
  ARM: realview: clean up header files
  ARM: realview: make all header files local
  ARM: no longer make CPU targets visible separately
  ARM: integrator: use explicit core module options
  ARM: realview: enable multiplatform
  ARM: make default platform work for NOMMU
  ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
  ARM: defconfig: use correct debug_ll settings
  ARM: versatile: convert to multi-platform
  ARM: versatile: merge mach code into a single file
  ARM: versatile: switch to DT only booting and remove legacy code
  ARM: versatile: add DT based PCI detection
  ARM: pxa: mark ezx structures as __maybe_unused
  ARM: pxa: mark raumfeld init functions as __maybe_unused
  ...
2016-01-20 18:03:56 -08:00
Mark Brown 14418aa7d4 Merge remote-tracking branches 'asoc/topic/samsung', 'asoc/topic/sh', 'asoc/topic/ssm2518' and 'asoc/topic/sti' into asoc-next 2015-12-23 00:23:51 +00:00
Arnd Bergmann df0cc2d1e1 ASoC: samsung/smartq: use dynamic registration
As a prerequisite for moving s3c64xx into multiplatform configurations,
we need to change the smartq audio driver to stop using hardcoded
gpio numbers from the header file, and instead pass the gpio data
through platform_data.

In order to do that, we also move the code to use module_platform_driver
and register the platform device using platform_device_register_simple
and register the gpios through the gpiod API.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-12-01 21:50:24 +01:00
Arnd Bergmann 9bdca822cb ASoC: samsung: pass filter function as pointer
As we are now passing the filter data as pointers to the drivers,
we can take the final step and also pass the filter function the
same way. I'm keeping this change separate, as there it's less
obvious that this is a net win.

Upsides of this are:

- The ASoC drivers are completely independent from the DMA engine
  implementation, which simplifies the Kconfig logic and in theory
  allows the same sound drivers to be built in a kernel that supports
  different kinds of dmaengine drivers.

- Consistency with other subsystems and drivers

On the other hand, we have a few downsides:

- The s3c24xx-dma driver now needs to be built-in for the ac97 platform
  device to be instantiated on s3c2440.

- samsung_dmaengine_pcm_config cannot be marked 'const' any more
  because the filter function pointer needs to be set at runtime.
  This is safe as long we don't have multiple different DMA engines
  in thet same system at runtime, but is nonetheless ugly.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-21 13:27:22 +00:00
Mengdong Lin 5015920a17 ASoC: Vendor drivers get a link's runtime by snd_soc_get_pcm_runtime()
Vendor drivers no longer access a DAI link's runtime by the link index
but by matching the link name via snd_soc_get_pcm_runtime(). We assume
each DAI link has a unique name.

This is preparation for changing runtimes from an array to a list later.

Vendor drivers changed:
sound/soc/fsl/fsl-asoc-card.c
sound/soc/fsl/imx-wm8962.c
sound/soc/pxa/mioa701_wm9713.c
sound/soc/samsung/bells.c
sound/soc/samsung/littlemill.c
sound/soc/samsung/odroidx2_max98090.c
sound/soc/samsung/snow.c
sound/soc/samsung/speyside.c
sound/soc/samsung/tobermory.c
sound/soc/tegra/tegra_wm8903

Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-18 18:32:24 +00:00
Arnd Bergmann 359fdfa6fd ASoC: s3c24xx-i2s: pass DMA channels as platform data
This is a minor cleanup to make the s3c2412-i2s and s3c24xx-i2s
drivers independent of the mach/dma.h header file and to allow
removing the dependency on the specific dmaengine driver in the
next patch.

As a side not, only the s3c24xx-i2s driver seems to still be
used, while the definition of the s3c2412-i2s platform device was
removed in commit 6d259a25b5 ("ARM: SAMSUNG: use static
declaration when it is not used in other files") after it had
never been referenced since its introduction in f0fba2ad1b
("ASoC: multi-component - ASoC Multi-Component Support").

Apparently it should have been used by mach-jive.c, but that
never happened. My patch at this point leaves the current state
unchanged, we can decide whether to fix or delete the jive
driver and s3c2412-i2s another time.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-18 17:51:46 +00:00
Arnd Bergmann b9a1a74381 ASoC: samsung: pass DMA channels as pointers
ARM64 allmodconfig produces a bunch of warnings when building the
samsung ASoC code:

sound/soc/samsung/dmaengine.c: In function 'samsung_asoc_init_dma_data':
sound/soc/samsung/dmaengine.c:53:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
   playback_data->filter_data = (void *)playback->channel;
sound/soc/samsung/dmaengine.c:60:31: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
   capture_data->filter_data = (void *)capture->channel;

We could easily shut up the warning by adding an intermediate cast,
but there is a bigger underlying problem: The use of IORESOURCE_DMA
to pass data from platform code to device drivers is dubious to start
with, as what we really want is a pointer that can be passed into
a filter function.

Note that on s3c64xx, the pl08x DMA data is already a pointer, but
gets cast to resource_size_t so we can pass it as a resource, and it
then gets converted back to a pointer. In contrast, the data we pass
for s3c24xx is an index into a device specific table, and we artificially
convert that into a pointer for the filter function.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-18 17:51:46 +00:00
Lars-Peter Clausen 7a5b8ba412 ASoC: rx1950_uda1380: Constify rate constraints
The rate constraints in this board driver are not modified at runtime, so
make them const.

While we are at it also remove the unnecessary 0 initializer for the mask
field.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-10-23 08:49:16 +09:00
Lars-Peter Clausen de687fb133 ASoC: h1940_uda1380: Constify rate constraints
The rate constraints in this board driver are not modified at runtime, so
make them const.

While we are at it also remove the unnecessary 0 initializer for the mask
field.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-10-23 08:49:03 +09:00
Mark Brown 48997b9c03 Merge remote-tracking branches 'asoc/topic/au1x', 'asoc/topic/bcm2835', 'asoc/topic/blackfin' and 'asoc/topic/card' into asoc-next 2015-08-30 15:52:41 +01:00
Axel Lin 54d8697fa5 ASoC: Set missing card owner field
Set the card owner field to prevent the module from being removed from
underneath its users.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-08-21 09:07:19 -07:00
Vaishali Thakkar 14a500fe13 ASoC: samsung: Remove redundant arndale_audio_remove
There is no use of snd_soc_unregister_card in remove function
as devm_snd_soc_register_card in probe function automatically
handles it. So, remove use of snd_soc_unregister_card and with
this change remove arndale_audio_remove as it is now redundant.

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-08-20 10:22:09 -07:00
Mark Brown cee77be0ad Merge remote-tracking branches 'asoc/topic/rt5677', 'asoc/topic/samsung' and 'asoc/topic/sgtl5000' into asoc-next 2015-06-05 18:54:59 +01:00
Lars-Peter Clausen 1a3e2f1d6f ASoC: speyside: Use snd_soc_codec_get_dapm()
The dapm field of the snd_soc_codec struct is eventually going to be
removed. Replace direct access to it with snd_soc_codec_get_dapm(), which
will return the DAPM context for the CODEC.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-04 13:51:20 +01:00
Lars-Peter Clausen d01d7d3dba ASoC: smartq: Use card DAPM context to access widgets
The dapm field of the snd_soc_codec struct will eventually be removed
(replaced with the DAPM context from the component embedded inside the
CODEC). Replace its usage with the card's DAPM context. The idea is that
DAPM is hierarchical and with the card at the root it is possible to access
widgets from other contexts through the card context.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-04 13:51:19 +01:00
Lars-Peter Clausen 76387a52e2 ASoC: smartq: Remove unnecessary snd_soc_dapm_disable_pin()
The "Headphone Jack" widget is managed by the jack detection layer, there
is no need to manually disable.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-04 13:51:19 +01:00
Lars-Peter Clausen e6963005b2 ASoC: smdk_wm8994: Use card DAPM context to access widgets
The dapm field of the snd_soc_codec struct will eventually be removed
(replaced with the DAPM context from the component embedded inside the
CODEC). Replace its usage with the card's DAPM context. The idea is that
DAPM is hierarchical and with the card at the root it is possible to access
widgets from other contexts through the card context.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-04 13:51:19 +01:00
Lars-Peter Clausen 239ad6a181 ASoC: lowland: Use card DAPM context to access widgets
The dapm field of the snd_soc_codec struct will eventually be removed
(replaced with the DAPM context from the component embedded inside the
CODEC). Replace its usage with the card's DAPM context. The idea is that
DAPM is hierarchical and with the card at the root it is possible to access
widgets from other contexts through the card context.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-04 13:51:19 +01:00
Lars-Peter Clausen 29ea3ac109 ASoC: samsung: wolfson: Improve compile test coverage
While the the Wolfson machine drivers have a runtime dependency on a
specific machine there is no compile time dependency. Allow to lets those
drivers to be selected when COMPILE_TEST is selected to improve the compile
time test coverage.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-04 13:51:19 +01:00
Krzysztof Kozlowski eb8ca0fa5d ASoC: samsung: Constify platform_device_id
The platform_device_id is not modified by the driver and core uses it as
const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-05-01 17:52:06 +01:00
Mark Brown d839c98f98 Merge remote-tracking branches 'asoc/fix/rt5677', 'asoc/fix/samsung' and 'asoc/fix/tfa9879' into asoc-linus 2015-04-29 13:37:31 +01:00
Wei Yongjun c479163a1b ASoC: samsung: s3c24xx-i2s: Fix return value check in s3c24xx_iis_dev_probe()
In case of error, the function devm_ioremap_resource() returns
ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2015-04-17 14:23:56 +01:00
Mark Brown 256fca9247 Merge remote-tracking branches 'asoc/topic/jack', 'asoc/topic/max98357a', 'asoc/topic/omap' and 'asoc/topic/rt286' into asoc-next 2015-03-05 01:07:23 +00:00
Mark Brown 95d67c7fc2 Merge remote-tracking branch 'asoc/fix/samsung' into asoc-linus 2015-03-04 20:42:43 +00:00
Lars-Peter Clausen 3fd94f37da ASoC: tobermory: Register jacks at the card level
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:10:46 +00:00
Lars-Peter Clausen 663976ad47 ASoC: speyside: Register jacks at the card level
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:10:45 +00:00
Lars-Peter Clausen 55b2ed2d9d ASoC: smartq: Register jacks at the card level
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:10:45 +00:00
Lars-Peter Clausen e9c9a723ee ASoC: rx1950_uda1380: Register jacks at the card level
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:10:45 +00:00
Lars-Peter Clausen f97e0eacf2 ASoC: lowland: Register jacks at the card level
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:10:44 +00:00
Lars-Peter Clausen 39ec5109d6 ASoC: littlemill: Register jacks at the card level
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:10:44 +00:00
Lars-Peter Clausen dfe11f282c ASoC: h1980_uda1380: Register jacks at the card level
The jacks are card level elements so use snd_soc_card_jack_new() instead of
snd_soc_jack_new() to register them.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-03-04 17:10:44 +00:00
Arnd Bergmann 014c4d6376 ASoC: Samsung: add missing I2C/SPI dependencies
A few sound drivers for the samsung platforms are missing dependencies
on I2C or SPI, which can lead to build errors like

codecs/rt5631.c:1737:1: warning: data definition has no type or storage class
31_i2c_driver);

codecs/rt5631.c:1737:1: error: type defaults to 'int' in declaration of 'module_i2c_driver' [-Werror=implicit-int]
codecs/rt5631.c:1737:1: warning: parameter names (without types) in function declaration
codecs/rt5631.c:1726:26: warning: 'rt5631_i2c_driver' defined but not used [-Wunused-variable]

I have gone through all the ones that did not already have
an I2C dependency and added the ones that I found missing,
namely arndale, odroid-x2, littlemill, bells and speyside
and this patch adds all the dependencies.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-21 18:35:58 +09:00
Paul Bolle 6cf2cf3150 ASoC: samsung: Remove goni or aquila with the WM8994
Commit 28c8331d38 ("ARM: S5PV210: Remove support for board files")
removed the Kconfig symbols MACH_GONI and MACH_AQUILA. As a result the
dependencies of SND_SOC_GONI_AQUILA_WM8994 can never be met. So remove
the unbuildable "SoC I2S Audio support for AQUILA/GONI - WM8994".

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-07 07:53:07 +08:00
Lars-Peter Clausen a59aa180ea ASoC: samsung: Replace depends on REGMAP_I2C with depends on I2C
regmap is a library function that gets selected by drivers that need it. No
driver modules should depend on it, since this can create dependency loops.

E.g. if machine driver depends on REGMAP_I2C and selects the CODEC driver
and the CODEC driver selects REGMAP_I2C, then the machine driver selects by
extension one of its dependencies.

The proper way to handle this is for machine drivers to depend on the same
dependencies as the CODEC driver they select. In this case it is I2C.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-16 19:05:45 +00:00
Lars-Peter Clausen e236d4d796 ASoC: smdk_wm8580: Pass card DAPM context to snd_soc_dapm_disable_pin()
The "MicIn" widget is a card level DAPM element so pass the card's DAPM
context instead of the CODEC's DAPM context to snd_soc_dapm_disable_pin().

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-16 16:59:36 +00:00
Lars-Peter Clausen 3a41e0f723 ASoC: jive: Automatically disconnect non-connected pins
All DAPM input and output pins of the wm8750 are either used in the card's
DAPM routing table or are marked as not connected.

Set the fully_routed flag of the card instead of manually marking the unused
inputs and outputs as not connected. This makes the code a bit shorter and
cleaner.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-16 16:59:08 +00:00
Mark Brown 5d6bdfd568 Merge branch 'topic/dai' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-samsung 2015-01-16 16:59:04 +00:00
Sylwester Nawrocki 074b89bb5f ASoC: samsung: i2s: Add clock provider for the I2S internal clocks
This patch adds clock provider (currently only for DT platforms) for
the CODECLKO (CDCLK) gate, RCLKSRC mux and RCLK pre-scaler divider
divider clock. Those all tree clock are only available in the IIS
Multi Audio Interface (I2S0), the regular IIS Bus Interface has only
CDCLK gate clock.

The motivation behind this patch is to expose the I2S internal clocks
which are currently controlled through set_sysclk() through the clk
API, so dedicated sound machine driver per each board can be avoided.

The intention is also to fix the CDCLK gating issue reported by
Daniel Drake:
http://mailman.alsa-project.org/pipermail/alsa-devel/2014-September/081753.html

This patch also reverts commit b97c60abf9
("ASoC: samsung-i2s: Maintain CDCLK settings across i2s_{shutdown/
startup}") The problem that commit attempted to solve only affects
the Odroid X2/U3, which doesn't configure the CDCLK clock in
struct snd_soc_dai_ops hw_params callback and the issue should be
now resolved by using clk API, i.e. having the codec enabling/
disabling the CDCLK clock as required.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki ecb400cabb ASoC: samsung: odroidx2: Handle I2S CDCLK clock conditionally
In order to support old DTs we check the codec device node if it
contains "clocks" property and only if it doesn't (which indicates
an old DT) we proceed with enabling the CDCLK clock by means of
the set_sysclk() callback.  For new DTs which use the common clock
bindings for CDCLK that clock is supposed to be handled outside
the sound machine driver.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki ce8bcdbb61 ASoC: samsung: i2s: Protect more registers with a spinlock
Ensure the I2SMOD, I2SPSR registers, which are also exposed through
clk API are only accessed with the i2s->spinlock spinlock held.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki f36705366a ASoC: samsung: i2s: Add spinlock in place of local_irq_* calls
It seems this driver hasn't been updated for SMP, as local_irq_save/
local_irq_restore don't provide proper protection of read/modify/write
of the device's registers on such systems. Introduce a spinlock
serializing access to the register region, it will be helpful later
when I2SMOD, I2SPSR registers are made also accessible through the
clk API.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki 872c26bd80 ASoC: samsung: i2s: Remove an unneeded goto usage
The usage of this goto seems unjustified, use if/else statement instead.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki dcd60fc344 ASoC: samsung: i2s: Add get_other_dai helper function
The code to get pointer to the other DAI is repeated multiple
times. Add a helper function and use it instead.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki c92f1d0e7c ASoC: samsung: i2s: Move clk enable to the platform driver probe()
The clk_prepare_enable() call on the "iis" clock is moved to happen earlier
in the DAI platform device driver's probe() callback, so the I2S registers
can be safely accessed through the clk API, after the clk supplier is
registered in the platform device probe().

After this patch the "iis" clock is kept enabled since the (primary) I2S
platform device probe() and until the platform device driver remove() call.
This is similar to gating the clock in the snd_soc_dai probe() and remove()
callbacks.
Normally, in addition to that we should mark the device as PM runtime active,
so if runtime PM is enabled it can idle the device by turning off the clock.
Correcting this issue is left for a separate patch series, as we need to
ensure the BUSCLK clock is always enabled when required.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki 0ec2ba807c ASoC: samsung: i2s: Move clk_get() to platform driver probe()
Acquire the I2S interface clock in driver probe() callback
as it's a per-device not a per-DAI clock. While at it switch
to the resource managed clk_get().

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki af1cf5cf9c ASoC: samsung: i2s: Request memory region in driver probe()
The memory mapped registers region is common for both DAIs so request
it in the I2S platform device driver's probe for the platform device
corresponding to the primary DAI, rather than in the ASoC DAI's probe
callback. While at it switch to devm_ioremap_resource(). This also
drops the hard coded (0x100) register region size in the driver.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:54 +00:00
Sylwester Nawrocki 53f7faa17e ASoC: samsung: i2s: Add return value checks in probe()
These functions may fail so let's properly report any errors.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:53 +00:00
Sylwester Nawrocki 9cf2474731 ASoC: samsung: i2s: samsung_i2s_get_driver_data() cleanup
Tidy up the samsung_i2s_get_driver_data() function by using
IS_ENABLE() instead of #ifdef and add missing braces for
the 'else' part. Also ensure we are not dereferencing NULL
'match' pointer.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-14 19:46:53 +00:00
Sylwester Nawrocki fce091ee0a ASoC: samsung: i2s: Remove unused gpios field from struct i2s
The 'gpios' field in 'struct i2s' is now unused, this change
seems to be missing in commit 0429ffeff4
("ASoC: samsung: Remove obsolete GPIO based DT pinmuxing").

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 18:13:28 +00:00
Lars-Peter Clausen fce20bf879 ASoC: smdk_wm8994pcm: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:32 +00:00
Lars-Peter Clausen 6a5794f2c6 ASoC: smdk_wm8570pcm: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:32 +00:00
Lars-Peter Clausen 7a57ca2362 ASoC: smdk_wm8580: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:31 +00:00
Lars-Peter Clausen 10756c2770 ASoC: smartq_wm8987: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:31 +00:00
Lars-Peter Clausen 517b9a2a90 ASoC: s3c24xx_uda134x: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:31 +00:00
Lars-Peter Clausen d27e51dade ASoC: s3c24xx_simtec: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:30 +00:00
Lars-Peter Clausen 5f0acedddf ASoC: rx1950_uda1380: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:30 +00:00
Lars-Peter Clausen e16514d931 ASoC: neo1973_wm8753: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:30 +00:00
Lars-Peter Clausen 72303cafcb ASoC: jive_wm8750: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:29 +00:00
Lars-Peter Clausen 5cc10b9b77 ASoC: h1940_uda1380: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:29 +00:00
Lars-Peter Clausen 0af76f918a ASoC: goni_wm8994: Use static DAI format setup
Set the dai_fmt field in the dai_link struct instead of manually calling
snd_soc_dai_fmt(). This makes the code cleaner and shorter.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-01-06 17:34:29 +00:00
Wolfram Sang 03da09a02d ASoC: samsung: drop owner assignment from platform_drivers
This 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>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-22 12:02:43 +00:00
Linus Torvalds 20e471fd34 sound fixes for 3.19-rc1
Here are a few fixes that have landed after the previous pull
 request.  All are driver specific fixes including:
 - error/int value fixes in OXFW,
 - Intel Skylake HD-audio HDMI codec support,
 - Additional HD-audio Realtek codecs and AD1986A codec fixes/quirks,
 - a few more DSD support and a quirk for Arcam rPAC in usb-audio,
 - a typo fix for Scarlett 6i6,
 - fixes for new ASIHPI firmware,
 - ASoC Exynos7 cleanups,
 - Intel ACPI support, and
 - a fix for PCM512 register cache sync.
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Merge tag 'sound-fix-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here are a few fixes that have landed after the previous pull request.
  All are driver specific fixes including:

   - error/int value fixes in OXFW,
   - Intel Skylake HD-audio HDMI codec support,
   - Additional HD-audio Realtek codecs and AD1986A codec fixes/quirks,
   - a few more DSD support and a quirk for Arcam rPAC in usb-audio,
   - a typo fix for Scarlett 6i6,
   - fixes for new ASIHPI firmware,
   - ASoC Exynos7 cleanups,
   - Intel ACPI support, and
   - a fix for PCM512 register cache sync"

* tag 'sound-fix-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
  ALSA: usb-audio: extend KEF X300A FU 10 tweak to Arcam rPAC
  ALSA: hda/realtek - New codec support for ALC298
  ALSA: asihpi: update to HPI version 4.14
  ALSA: asihpi: increase tuner pad cache size
  ALSA: asihpi: relax firmware version check
  ALSA: usb-audio: Fix Scarlett 6i6 initialization typo
  ALSA: hda - Add quirk for Packard Bell EasyNote MX65
  ALSA: usb-audio: add native DSD support for Matrix Audio DACs
  ALSA: hda/realtek - New codec support for ALC256
  ALSA: hda/realtek - Add new Dell desktop for ALC3234 headset mode
  ASoC: Intel: fix possible acpi enumeration panic
  ALSA: hda/hdmi - apply Haswell fix-ups to Skylake display codec
  ASoC: Intel: fix return value check in sst_acpi_probe()
  ALSA: hda - Make add_stereo_mix_input flag tristate
  ALSA: hda - Create capture source ctls when stereo mix input is added
  ALSA: hda - Fix typos in snd_hda_get_int_hint() kerneldoc comments
  ALSA: hda - add codec ID for Skylake display audio codec
  ALSA: oxfw: some signedness bugs
  ALSA: oxfw: fix detect_loud_models() return value
  ASoC: rt5677: add REGMAP_I2C and REGMAP_IRQ dependency
  ...
2014-12-19 18:07:17 -08:00
Linus Torvalds c0f486fde3 More ACPI and power management updates for 3.19-rc1
- Fix a regression in leds-gpio introduced by a recent commit that
    inadvertently changed the name of one of the properties used by
    the driver (Fabio Estevam).
 
  - Fix a regression in the ACPI backlight driver introduced by a
    recent fix that missed one special case that had to be taken
    into account (Aaron Lu).
 
  - Drop the level of some new kernel messages from the ACPI core
    introduced by a recent commit to KERN_DEBUG which they should
    have used from the start and drop some other unuseful KERN_ERR
    messages printed by ACPI (Rafael J Wysocki).
 
  - Revert an incorrect commit modifying the cpupower tool
    (Prarit Bhargava).
 
  - Fix two regressions introduced by recent commits in the OPP
    library and clean up some existing minor issues in that code
    (Viresh Kumar).
 
  - Continue to replace CONFIG_PM_RUNTIME with CONFIG_PM throughout
    the tree (or drop it where that can be done) in order to make
    it possible to eliminate CONFIG_PM_RUNTIME (Rafael J Wysocki,
    Ulf Hansson, Ludovic Desroches).  There will be one more
    "CONFIG_PM_RUNTIME removal" batch after this one, because some
    new uses of it have been introduced during the current merge
    window, but that should be sufficient to finally get rid of it.
 
  - Make the ACPI EC driver more robust against race conditions
    related to GPE handler installation failures (Lv Zheng).
 
  - Prevent the ACPI device PM core code from attempting to
    disable GPEs that it has not enabled which confuses ACPICA
    and makes it report errors unnecessarily (Rafael J Wysocki).
 
  - Add a "force" command line switch to the intel_pstate driver
    to make it possible to override the blacklisting of some
    systems in that driver if needed (Ethan Zhao).
 
  - Improve intel_pstate code documentation and add a MAINTAINERS
    entry for it (Kristen Carlson Accardi).
 
  - Make the ACPI fan driver create cooling device interfaces
    witn names that reflect the IDs of the ACPI device objects
    they are associated with, except for "generic" ACPI fans
    (PNP ID "PNP0C0B").  That's necessary for user space thermal
    management tools to be able to connect the fans with the
    parts of the system they are supposed to be cooling properly.
    From Srinivas Pandruvada.
 
 /
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Merge tag 'pm+acpi-3.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI and power management updates from Rafael Wysocki:
 "These are regression fixes (leds-gpio, ACPI backlight driver,
  operating performance points library, ACPI device enumeration
  messages, cpupower tool), other bug fixes (ACPI EC driver, ACPI device
  PM), some cleanups in the operating performance points (OPP)
  framework, continuation of CONFIG_PM_RUNTIME elimination, a couple of
  minor intel_pstate driver changes, a new MAINTAINERS entry for it and
  an ACPI fan driver change needed for better support of thermal
  management in user space.

  Specifics:

   - Fix a regression in leds-gpio introduced by a recent commit that
     inadvertently changed the name of one of the properties used by the
     driver (Fabio Estevam).

   - Fix a regression in the ACPI backlight driver introduced by a
     recent fix that missed one special case that had to be taken into
     account (Aaron Lu).

   - Drop the level of some new kernel messages from the ACPI core
     introduced by a recent commit to KERN_DEBUG which they should have
     used from the start and drop some other unuseful KERN_ERR messages
     printed by ACPI (Rafael J Wysocki).

   - Revert an incorrect commit modifying the cpupower tool (Prarit
     Bhargava).

   - Fix two regressions introduced by recent commits in the OPP library
     and clean up some existing minor issues in that code (Viresh
     Kumar).

   - Continue to replace CONFIG_PM_RUNTIME with CONFIG_PM throughout the
     tree (or drop it where that can be done) in order to make it
     possible to eliminate CONFIG_PM_RUNTIME (Rafael J Wysocki, Ulf
     Hansson, Ludovic Desroches).

     There will be one more "CONFIG_PM_RUNTIME removal" batch after this
     one, because some new uses of it have been introduced during the
     current merge window, but that should be sufficient to finally get
     rid of it.

   - Make the ACPI EC driver more robust against race conditions related
     to GPE handler installation failures (Lv Zheng).

   - Prevent the ACPI device PM core code from attempting to disable
     GPEs that it has not enabled which confuses ACPICA and makes it
     report errors unnecessarily (Rafael J Wysocki).

   - Add a "force" command line switch to the intel_pstate driver to
     make it possible to override the blacklisting of some systems in
     that driver if needed (Ethan Zhao).

   - Improve intel_pstate code documentation and add a MAINTAINERS entry
     for it (Kristen Carlson Accardi).

   - Make the ACPI fan driver create cooling device interfaces witn
     names that reflect the IDs of the ACPI device objects they are
     associated with, except for "generic" ACPI fans (PNP ID "PNP0C0B").

     That's necessary for user space thermal management tools to be able
     to connect the fans with the parts of the system they are supposed
     to be cooling properly.  From Srinivas Pandruvada"

* tag 'pm+acpi-3.19-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
  MAINTAINERS: add entry for intel_pstate
  ACPI / video: update the skip case for acpi_video_device_in_dod()
  power / PM: Eliminate CONFIG_PM_RUNTIME
  NFC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  SCSI / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  ACPI / EC: Fix unexpected ec_remove_handlers() invocations
  Revert "tools: cpupower: fix return checks for sysfs_get_idlestate_count()"
  tracing / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  x86 / PM: Replace CONFIG_PM_RUNTIME in io_apic.c
  PM: Remove the SET_PM_RUNTIME_PM_OPS() macro
  mmc: atmel-mci: use SET_RUNTIME_PM_OPS() macro
  PM / Kconfig: Replace PM_RUNTIME with PM in dependencies
  ARM / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  sound / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  phy / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  video / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  tty / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  spi: Replace CONFIG_PM_RUNTIME with CONFIG_PM
  ACPI / PM: Do not disable wakeup GPEs that have not been enabled
  ACPI / utils: Drop error messages from acpi_evaluate_reference()
  ...
2014-12-18 20:28:33 -08:00
Mark Brown c52e5698ef Merge remote-tracking branches 'asoc/fix/atmel', 'asoc/fix/intel', 'asoc/fix/rt5645', 'asoc/fix/rt5677' and 'asoc/fix/samsung' into asoc-linus 2014-12-16 11:52:34 +00:00
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
Rafael J. Wysocki 641d334b29 sound / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
After commit b2b49ccbdd (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is
selected) PM_RUNTIME is always set if PM is set, so #ifdef blocks
depending on CONFIG_PM_RUNTIME may now be changed to depend on
CONFIG_PM.

Replace CONFIG_PM_RUNTIME with CONFIG_PM everywhere under sound/.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Acked-by: Mark Brown <broonie@kernel.org>
2014-12-13 00:42:18 +01:00
Sylwester Nawrocki 7e5d8706dd ASoC: samsung: i2s: Add missing assignment of variant_regs
Add assignment of the variant_regs field which is missing in commit
a5a56871f8 ("ASoC: samsung: add support
for exynos7 I2S controller"). Without this attempting to probe the
secondary DAI fails with an error like:

[    1.763026] Unable to handle kernel NULL pointer dereference at virtual address 0000000c
[    1.780895] pgd = c0004000
[    1.783606] [0000000c] *pgd=00000000
[    1.838255] Internal error: Oops: 5 [#1] PREEMPT SMP ARM
[    1.843514] Modules linked in:
[    1.846558] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.18.0-rc1-00009-g5dcb01e-dirty #1521
[    1.854887] task: ee00a800 ti: ee088000 task.ti: ee088000
[    1.860284] PC is at i2s_txctrl+0x40/0x2d4
[    1.864350] LR is at i2s_txctrl+0x28/0x2d4
[    1.868428] pc : [<c036ffd4>]    lr : [<c036ffbc>]    psr: 60000153
[    1.868428] sp : ee089dc0  ip : 00000000  fp : ee21f000
[    1.879883] r10: 00000000  r9 : ee21fb00  r8 : c06406c4
[    1.885091] r7 : ee21fb00  r6 : 00000000  r5 : f00f6000  r4 : ed943410
[    1.891601] r3 : 0000016c  r2 : c0464550  r1 : c055cef8  r0 : ed943610
[    1.898113] Flags: nZCv  IRQs on  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
[    1.905490] Control: 10c5387d  Table: 4000404a  DAC: 00000015
[    1.911218] Process swapper/0 (pid: 1, stack limit = 0xee088240)
[    1.917208] Stack: (0xee089dc0 to 0xee08a000)
...
[    2.068431] [<c036ffd4>] (i2s_txctrl) from [<c03719fc>] (samsung_i2s_dai_probe+0xb8/0x450)
[    2.076676] [<c03719fc>] (samsung_i2s_dai_probe) from [<c03607e0>] (snd_soc_register_card+0xd98/0x1348)
[    2.086044] [<c03607e0>] (snd_soc_register_card) from [<c03726e4>] (odroidx2_audio_probe+0xa8/0x11c)
[    2.095160] [<c03726e4>] (odroidx2_audio_probe) from [<c0249dd0>] (platform_drv_probe+0x48/0xa4)
[    2.103922] [<c0249dd0>] (platform_drv_probe) from [<c0248988>] (driver_probe_device+0x10c/0x22c)
[    2.112773] [<c0248988>] (driver_probe_device) from [<c0248b34>] (__driver_attach+0x8c/0x90)
[    2.121192] [<c0248b34>] (__driver_attach) from [<c02471c8>] (bus_for_each_dev+0x54/0x88)
[    2.129352] [<c02471c8>] (bus_for_each_dev) from [<c0248188>] (bus_add_driver+0xd4/0x1d0)
[    2.137510] [<c0248188>] (bus_add_driver) from [<c024915c>] (driver_register+0x78/0xf4)
[    2.145499] [<c024915c>] (driver_register) from [<c0008924>] (do_one_initcall+0x80/0x1b8)
[    2.153670] [<c0008924>] (do_one_initcall) from [<c05b7d40>] (kernel_init_freeable+0xfc/0x1c8)
[    2.162260] [<c05b7d40>] (kernel_init_freeable) from [<c04146c0>] (kernel_init+0x8/0xec)
[    2.170330] [<c04146c0>] (kernel_init) from [<c000e7f8>] (ret_from_fork+0x14/0x3c)
[    2.177873] Code: e5940000 e59f128c e59f228c e2800010 (e59c700c)

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-08 20:46:24 +00:00
Mark Brown 4c90877646 Merge remote-tracking branches 'asoc/topic/rt5645', 'asoc/topic/rt5670', 'asoc/topic/rt5677', 'asoc/topic/samsung' and 'asoc/topic/sgtl5000' into asoc-next 2014-12-08 13:12:09 +00:00
Mark Brown 41967b775e Merge remote-tracking branches 'asoc/topic/max98088', 'asoc/topic/max98090', 'asoc/topic/max98095', 'asoc/topic/max9850' and 'asoc/topic/mop500' into asoc-next 2014-12-08 13:12:02 +00:00
Mark Brown 0a7e4ca1aa Merge remote-tracking branches 'asoc/topic/ac97', 'asoc/topic/ad193x', 'asoc/topic/adau1373' and 'asoc/topic/adau17x1' into asoc-next 2014-12-08 13:11:45 +00:00
Mark Brown 3f024980fb ASoC: samsung: Fix non-DT use of I2S controller
The changes in commit a5a56871f8 (ASoC: samsung: add support for exynos7
I2S controller) introduce a new variant_regs structure in the driver data
which is now mandatory for accessing registers. Unfortunately this is only
hooked up for DT platforms so non-DT platforms like my primary development
platform for audio are broken by this change and crash on boot.

Since the only non-DT user of these device is s3c64xx fix this by making
the standard samsung-i2s device be of type I2Sv3 and add a new I2Sv4 name
to the platform data section, currently using the I2Sv5 information which
should be about right.

Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-08 12:08:13 +00:00
Mark Brown ba56447c35 ASoC: samsung: Fix error handling for clock lookup
Return the error code we got from clk_get() and check to make sure that
clk_prepare_enable() worked.

Signed-off-by: Mark Brown <broonie@kernel.org>
2014-12-06 12:24:27 +00:00
Krishna Mohan Dani d683d0b690 ASoC: Samsung: Add arndale_rt5631 machine driver and binding
Adding machine driver to instantiate I2S based realtek's ALC5631
sound card on Arndale board.

There are other variants of Audio Daughter Cards for Arndale
Board for which support already exists but there is no support for
Realtek's alc5631 codec hence support for ALC5631 based machine
driver is being added.
This patch also documents the device tree binding for the Arndale
board based machine driver.

Signed-off-by: Claude Youn <claude.youn@gmail.com>
Signed-off-by: Krishna Mohan Dani <krishna.md@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-26 16:44:44 +00:00
Padmavathi Venna b2de1d20a0 ASoC: samsung: ASoC: samsung: Fix IISMOD setting in i2s_set_sysclk()
In the i2s_set_sysclk() callback we are currently clearing all bits
of the IISMOD register in i2s_set_sysclk. It's due to an incorrect
mask used for the AND operation which is introduced in commit
a5a56871f8 (ASoC: samsung:
add support for exynos7 I2S controller) and also adds the missing
break statement.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-21 18:08:13 +00:00
Lars-Peter Clausen bc26321404 ASoC: Rename snd_soc_dai_driver struct ac97_control field to bus_control
Setting the ac97_control field on a CPU DAI tells the ASoC core that this
DAI in addition to audio data also transports control data to the CODEC.
This causes the core to suspend the DAI after the CODEC and resume it before
the CODEC so communication to the CODEC is still possible. This is not
necessarily something that is specific to AC'97 and can be used by other
buses with the same requirement. This patch renames the flag from
ac97_control to bus_control to make this explicit.

While we are at it also change the type from int to bool.

The following semantich patch was used for automatic conversion of the
drivers:
// <smpl>
@@
identifier drv;
@@
struct snd_soc_dai_driver drv = {
-	.ac97_control
+	.bus_control
	=
-	1
+	true
};
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-18 15:38:03 +00:00
Jean-Francois Moine 0099c76285 ASoC: simple-card: Remove useless casts
There is no need to cast the cpu_of_node or codec_of_node of the
dai_links when calling of_put_node.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-10 19:02:02 +00:00
Padmavathi Venna a5a56871f8 ASoC: samsung: add support for exynos7 I2S controller
Exynos7 I2S controller has no internal dma, supports more
no. of root clock sampling frequencies and has more no.of Rx
fifos to support 7.1CH recording in TDM mode. Due to more no.
of root clock frequency values some of the bit offsets got
shifted up by one. Also I2S1 on previous Samsung platforms
uses v3 dai type but on Exynos7 it is upgraded to v5 with
slightly modified register offsets for supporting more no.of
RFS values. Due to the above changes, the driver has to be
modified to handle all versions of I2S controller. For this
I introduced a new structure to hold modified bit offsets and
masks which is passed as dai data.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-07 10:41:22 +00:00
Padmavathi Venna b075973670 ASoC: Samsung: Add quirk for internal DMA
Internal DMA is available only on some of Samsung platforms.
So added a quirk for the same and made it optional.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2014-11-07 10:38:17 +00:00
Andreas Färber 62e6a3b6f4 ASoC: samsung: Add MODULE_DEVICE_TABLE for Snow
This enables the snd_soc_snow module to be auto-loaded.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
2014-11-05 17:09:17 +00:00
Wolfram Sang ac204d2290 ASoC: samsung: 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 16:22:13 +02:00
Mark Brown 7370780cfd Merge remote-tracking branches 'asoc/topic/rt5645', 'asoc/topic/rt5677', 'asoc/topic/samsung', 'asoc/topic/sgtl5000' and 'asoc/topic/sh' into asoc-next 2014-10-06 12:49:03 +01:00
Mark Brown 5bcaca4b5b Merge remote-tracking branch 'asoc/topic/component' into asoc-next 2014-10-06 12:48:51 +01:00
Charles Keepax 133c2681c4 ASoC: samsung-i2s: Check secondary DAI exists before referencing
In a couple of places the driver is missing a check to ensure there is a
secondary DAI before it de-references the pointer to it, causing a null
pointer de-reference. This patch adds a check to avoid this.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
2014-09-09 20:59:06 +01:00
Lars-Peter Clausen 57bf772687 ASoC: Pass component instead of DAPM context to AUX dev init callback
Given that the component is the containing structure it makes more sense to pass
the component rather than the DAPM context to the AUX dev init callback.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-19 10:59:46 -05:00
Lars-Peter Clausen e8a70c25b8 ASoC: samsung idma: Add proper annotation for casting iomem pointers
It is not always possible to interchange iomem pointers with normal pointers,
which why we have annotations for iomem pointers and warn when casting them to a
normal pointer or vice versa. In this case the casting is fine and unfortunately
necessary so add the proper annotations to tell code checkers that it is
intentional. This silences the following warnings from sparse:
	sound/soc/samsung/idma.c:354:20: warning: incorrect type in argument 1
	 (different address spaces) expected void volatile [noderef]
	  <asn:2>*addr got unsigned char *area
	sound/soc/samsung/idma.c:372:22: warning: cast removes address space of
	 expression

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-17 09:34:45 -05:00
Lars-Peter Clausen d80a12f924 ASoC: odrodix2_max98090: Make non exported symbols static
odroidx2_drvdata and odroidu3_drvdata are not used outside this module so make
them static (and also const while we are at it).

Fixes the following warnings from sparse:
    sound/soc/samsung/odroidx2_max98090.c:69:26: warning: symbol
     'odroidx2_drvdata' was not declared. Should it be static?
    sound/soc/samsung/odroidx2_max98090.c:74:26: warning: symbol
     'odroidu3_drvdata' was not declared. Should it be static?

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-08-17 09:31:52 -05:00
Linus Torvalds 44c916d58b ARM: SoC cleanups for 3.17
This merge window brings a good size of cleanups on various
 platforms. Among the bigger ones:
 
 * Removal of Samsung s5pc100 and s5p64xx platforms. Both of these have
   lacked active support for quite a while, and after asking around nobody
   showed interest in keeping them around. If needed, they could be
   resurrected in the future but it's more likely that we would prefer
   reintroduction of them as DT and multiplatform-enabled platforms
   instead.
 * OMAP4 controller code register define diet. They defined a lot of registers
   that were never actually used, etc.
 * Move of some of the Tegra platform code (PMC, APBIO, fuse, powergate)
   to drivers/soc so it can be shared with 64-bit code. This also converts them
   over to traditional driver models where possible.
 * Removal of legacy gpio-samsung driver, since the last users have been
   removed (moved to pinctrl)
 
 Plus a bunch of smaller changes for various platforms that sort of
 dissapear in the diffstat for the above. clps711x cleanups, shmobile
 header file refactoring/moves for multiplatform friendliness, some misc
 cleanups, etc.
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Merge tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanups from Olof Johansson:
 "This merge window brings a good size of cleanups on various platforms.
  Among the bigger ones:

   - Removal of Samsung s5pc100 and s5p64xx platforms.  Both of these
     have lacked active support for quite a while, and after asking
     around nobody showed interest in keeping them around.  If needed,
     they could be resurrected in the future but it's more likely that
     we would prefer reintroduction of them as DT and
     multiplatform-enabled platforms instead.

   - OMAP4 controller code register define diet.  They defined a lot of
     registers that were never actually used, etc.

   - Move of some of the Tegra platform code (PMC, APBIO, fuse,
     powergate) to drivers/soc so it can be shared with 64-bit code.
     This also converts them over to traditional driver models where
     possible.

   - Removal of legacy gpio-samsung driver, since the last users have
     been removed (moved to pinctrl)

  Plus a bunch of smaller changes for various platforms that sort of
  dissapear in the diffstat for the above.  clps711x cleanups, shmobile
  header file refactoring/moves for multiplatform friendliness, some
  misc cleanups, etc"

* tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (117 commits)
  drivers: CCI: Correct use of ! and &
  video: clcd-versatile: Depend on ARM
  video: fix up versatile CLCD helper move
  MAINTAINERS: Add sdhci-st file to ARCH/STI architecture
  ARM: EXYNOS: Fix build breakge with PM_SLEEP=n
  MAINTAINERS: Remove Kirkwood
  ARM: tegra: Convert PMC to a driver
  soc/tegra: fuse: Set up in early initcall
  ARM: tegra: Always lock the CPU reset vector
  ARM: tegra: Setup CPU hotplug in a pure initcall
  soc/tegra: Implement runtime check for Tegra SoCs
  soc/tegra: fuse: fix dummy functions
  soc/tegra: fuse: move APB DMA into Tegra20 fuse driver
  soc/tegra: Add efuse and apbmisc bindings
  soc/tegra: Add efuse driver for Tegra
  ARM: tegra: move fuse exports to soc/tegra/fuse.h
  ARM: tegra: export apb dma readl/writel
  ARM: tegra: Use a function to get the chip ID
  ARM: tegra: Sort includes alphabetically
  ARM: tegra: Move includes to include/soc/tegra
  ...
2014-08-08 11:00:26 -07:00
Mark Brown c1bd940afd Merge remote-tracking branches 'asoc/topic/rt5670', 'asoc/topic/rt5677', 'asoc/topic/s6000', 'asoc/topic/samsung' and 'asoc/topic/sh-fsi' into asoc-next 2014-08-04 16:32:01 +01:00
Wei Yongjun 71864b22f5 ASoC: samsung: Fix return value check in s3c2412_iis_dev_probe()
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR(). Also remove redundant return value check of
platform_get_resource().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-29 19:55:53 +01:00
Arnd Bergmann dd2380e31c ASoC: samsung: remove unused DMA data
The s3c_dma_client structures and the 'ch' and 'ops' members in
s3c_dma_params were only used by the legacy DMA driver and serve
no function any more. This removes any reference to them.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-14 19:53:43 +01:00
Arnd Bergmann 8f501c7b44 ASoC: samsung: s3c24xx dmaengine follow-up
Commit ae602456e8 ("ASoC: samsung: drop support for legacy
S3C24XX DMA API") removed the old code for the samsung specific
DMA interfaces, now that everybody can use dmaengine.

This picks up the few remaining pieces left over by that patch:

The most important one is the removal of the dma_data->ops->started()
calls in ac97. My understanding is that these are only required
for drivers that do not support cyclic transfers, which the new dma
engine driver now does, so we can simply remove them. This would also
fix at least one bug in the ac97 driver on newer machines, which
currently gives us a NULL pointer dereference from trying to call
dma_data->ops->started().

Further, we must no longer 'select' S3C2410_DMA, which conflicts
with the dmaengine driver. The SND_S3C_DMA symbol is now
useless, because it is always selected, so we can remove it
and build the dmaengine support unconditionally.

Finally, we should not 'select' S3C24XX_DMAC or S3C64XX_PL080,
which may have additional dependencies. This replaces it with
'depends on', to be more conservative.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-14 19:53:10 +01:00
Kukjin Kim 3a549fbffc ASoC: samsung: no more support for S5P6440 and S5P6450 SoCs
This patch removes s5p64x0 related WM8580 because of removing support
for s5p64x0 SoCs.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
[pebolle@tiscali.nl: reported missing dependency for smdk6450]
Reported-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-14 19:04:57 +01:00
Arnd Bergmann d21e1b1605 ASoC: samsung: add explicit i2c/spi dependencies
I got another build error from SND_SOC_SMARTQ selecting
SND_SOC_WM8750 without ensuring that I2C is enabled,
in this example, i2c is a loadable module:

sound/built-in.o: In function `wm8750_i2c_probe':
:(.text+0x3e6c0): undefined reference to `devm_regmap_init_i2c'
sound/built-in.o: In function `wm8750_exit':
:(.exit.text+0x3f4): undefined reference to `i2c_del_driver'
sound/built-in.o: In function `wm8750_modinit':
:(.init.text+0x13d0): undefined reference to `i2c_register_driver'

This changes the samsund ASoC Kconfig to have explicit
I2C dependencies for each driver that uses an i2c bus and
SPI dependencies for the ones using those.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-14 19:04:38 +01:00
Sylwester Nawrocki b97c60abf9 ASoC: samsung-i2s: Maintain CDCLK settings across i2s_{shutdown/startup}
Currently configuration of the CDCLK pad is being overwritten in
the i2s_shutdown() callback in order to gate the SoC output clock.
However if an ASoC machine driver doesn't restore that clock
settings each time after opening the sound device this results
in the CDCLK pin being permanently configured into input mode.
I.e. the output clock will always stay disabled.
Fix that by saving the CDCLKCON bit state in i2s_shutdown() and
and restoring it in the i2s_startup() callback.

Signed-off-by: Chen Zhen <zhen1.chen@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-11 14:04:03 +01:00
Sylwester Nawrocki a40712a3e6 ASoC: samsung: Add machine driver for Odroid X2/U3
This patch adds the sound subsystem driver for Odroid-X2 and
Odroid-U3 boards. The codec works in I2S master mode; there
are two separate audio routing paths defined, as there are
differences in the signal routing between the X2 and U3 boards,
i.e. U3 uses single jack for headphones and microphone.

Signed-off-by: Chen Zhen <zhen1.chen@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-09 10:34:18 +02:00
Tushar Behera 00ad93e263 ASoC: samsung: Make card name for Snow configurable
Snow sound-card driver supports multiple boards with different
audio codecs. Updating the sound card name per board basis would provide
some more information to the end-user.

Signed-off-by: Tushar Behera <tushar.b@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-04 20:31:45 +01:00
Sylwester Nawrocki d3d4e5247b ASoC: samsung: Correct I2S DAI suspend/resume ops
We should save/restore relevant I2S registers regardless of
the dai->active flag, otherwise some settings are being lost
after system suspend/resume cycle. E.g. I2S slave mode set only
during dai initialization is not preserved and the device ends
up in master mode after system resume.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
2014-07-04 20:29:27 +01:00
Linus Walleij 2fd48f9442 ARM: mach-s5p: get rid of all <mach/gpio.h> headers
This renames all the local <mach/gpio.h> headers in the S5P platforms
to <mach/gpio-samsung.h> indicating a scope local to this platform,
and cuts the implicit inclusion of <mach/gpio.h> from <linux/gpio.h>
by removing the use of NEED_MACH_GPIO_H from all S5P variants.

Acked-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-06-30 21:37:21 +02:00
Tushar Behera 46aed59752 ASoC: samsung: Extend snow driver to support MAX98091
Peach-pi board has MAX98091 CODEC. Extend snow machine driver to support
this board.

Signed-off-by: Tushar Behera <tushar.b@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-30 19:52:40 +01:00
Sachin Kamat 41adf9056a ASoC: samsung: Remove unused variable from idma.c
‘iiscon’ is not used in the function. Remove it.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-27 12:02:20 +01:00
Vasily Khoruzhick c1ae59c7bd ASoC: samsung: s3c24xx-i2s: Move to clk_prepare_enable/clk_disable_unprepare
Use clk_prepare_enable/clk_disable_unprepare to make the driver
work properly with common clock framework.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-24 11:57:43 +01:00
Vasily Khoruzhick 77ea6bf777 ASoC: samsung: s3c2412-i2s: Move to clk_prepare_enable/clk_disable_unprepare
Use clk_prepare_enable/clk_disable_unprepare to make the driver
work properly with common clock framework.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-24 11:57:43 +01:00
Vasily Khoruzhick ae602456e8 ASoC: samsung: drop support for legacy S3C24XX DMA API
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-24 11:57:43 +01:00
Vasily Khoruzhick 87b132bc03 ASoC: samsung: s3c24{xx,12}-i2s: port to use generic dmaengine API
Use dmaengine instead of legacy s3c24xx DMA API for s3c24xx and s3c2412

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-24 11:57:43 +01:00
Arnd Bergmann 5264d0e6ef ASoC: samsung: Add I2C dependency for snow
Both codecs used by snow, max98090 and max98095 require the use
of I2C, so we can only select this driver if I2C is there, otherwise
we get a build error like:

codecs/max98090.c:2494:1: warning: data definition has no type or storage class [enabled by default]
 module_i2c_driver(max98090_i2c_driver);
 ^
codecs/max98095.c:2443:1: warning: data definition has no type or storage class [enabled by default]
 module_i2c_driver(max98095_i2c_driver);
 ^

This adds one more I2C dependency to the hundreds we already
have.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-22 11:52:58 +01:00
Takashi Iwai 16088cb6c0 ASoC: Fix wrong argument for card remove callbacks
The commit [e1d4d3c8: ASoC: free jack GPIOs before the sound card is
freed] introduced snd_soc_card remove callbacks to a few drivers, but
they are implemented with a wrong argument type.  The callback should
receive snd_soc_card pointer instead of snd_soc_pcm_runtime.

Fixes: e1d4d3c854 ('ASoC: free jack GPIOs before the sound card is freed')
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-06-03 12:52:21 +02:00
Stephen Warren e1d4d3c854 ASoC: free jack GPIOs before the sound card is freed
This is the same change as commit fb6b8e7144 "ASoC: tegra: free jack
GPIOs before the sound card is freed", but applied to all other ASoC
machine drivers where code inspection indicates the same problem exists.

That commit's description is:
==========
snd_soc_jack_add_gpios() schedules a work queue item to poll the GPIO to
generate an initial jack status report. If sound card initialization
fails, that work item needs to be cancelled, so it doesn't run after the
card has been freed. Specifically, freeing the card calls
snd_jack_dev_free() which calls snd_jack_dev_disconnect() which sets
jack->input_dev = NULL, and input_dev is used by snd_jack_report(), which
is called from the work queue item.

snd_soc_jack_free_gpios() cancels the work item. The Tegra ASoC machine
drivers do call this function in the platform driver remove() callback.
However, this happens after the sound card is freed, at least when the
card is freed due to errors late during snd_soc_instantiate_card(). This
leaves a window where the work item can execute after the card is freed.
In next-20140522, sound card initialization does fail for unrelated
reasons, and hits the problem described above.

To solve this, fix the Tegra ASoC machine drivers to clean up the Jack
GPIOs during the snd_soc_card's .remove() callback, which is executed
before the overall card object is freed. also, guard the cleanup call
based on whether we actually setup up the GPIOs in the first place.
Ideally, we'd do the cleanup in a struct snd_soc_dai_link .fini/remove
function to match where the GPIOs get set up. However, there is no such
callback.
==========

Note that I have not even compile-tested this in most cases, since most
of the drivers rely on specific mach-* support I don't have enabled, and
don't support COMPILE_TEST. Testing by the relevant board maintainers
would be useful.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-03 10:41:16 +01:00
Mark Brown 39b47b599e Merge remote-tracking branches 'asoc/topic/samsung', 'asoc/topic/sgtl5000', 'asoc/topic/simple' and 'asoc/topic/sirf' into asoc-next 2014-06-03 10:39:57 +01:00
Tushar Behera 88ce1465ec ASoC: samsung: Use params_width()
commit 8c5178fca4 ("ALSA: Add params_width() helpers") introduces
a helper to get the sample width. Updating Samsung related sound
drivers to use this helper.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-26 17:04:20 +01:00
Sylwester Nawrocki a6aba536ab ASoC: samsung: Handle errors when getting the op_clk clock
Ensure i2s->op_clk is not used when clk_get() for this clock fails.
This prevents working with an incorrectly configured clock in some
conditions.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-22 17:57:27 +01:00
Mark Brown 04f87446c2 Merge remote-tracking branches 'asoc/topic/rt5651', 'asoc/topic/samsung', 'asoc/topic/sgtl5000', 'asoc/topic/sh', 'asoc/topic/simple', 'asoc/topic/sirf', 'asoc/topic/sta350' and 'asoc/topic/tlv320dac33' into asoc-next 2014-05-22 00:24:00 +01:00
Mark Brown 0c5dacf2ca Merge remote-tracking branches 'asoc/topic/cs42l56', 'asoc/topic/cs42xx8' and 'asoc/topic/davinci' into asoc-next 2014-05-22 00:23:49 +01:00
Tushar Behera 1d55417e12 ASoC: samsung: Add devm_clk_get to pcm.c
clk_get in probe function can be safely replaced with devm_clk_get.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-22 00:20:11 +01:00
Tushar Behera 7253e354e7 ASoC: samsung: Use devm_snd_soc_register_component
Replaced snd_soc_register_component with its devres equivalent,
devm_snd_soc_register_component.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-22 00:20:11 +01:00
Tushar Behera 55313bd3b0 ASoC: samsung: Use devm_snd_soc_register_platform
Replaced snd_soc_register_platform with devm_snd_soc_register_platform
in samsung_asoc_dma_platform_register(). This makes the function
samsung_asoc_dma_platform_unregister() redundant. This is removed and
all its users are updated.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-22 00:20:11 +01:00
Tushar Behera c583883ecd ASoC: samsung: Use devm_snd_soc_register_card
Replace snd_soc_register_card with devm_snd_soc_register_card.
With this change, we can delete the empty remove functions.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-22 00:20:11 +01:00
Lars-Peter Clausen fbfad49076 ASoC: neo1973_wm8753: Automatically disconnected non-connected pins
The DAPM routes for this board are complete, hence we can let the core take care
of disconnecting non-connected pins rather than doing it manually.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-20 23:29:22 +01:00
Sylwester Nawrocki c86d50f9dc ASoC: samsung: Allow setting OP_CLK of the IIS Multi Audio Interface
This patch adds support for setting source clock of the "Core CLK"
of the IIS Multi Audio Interface.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-20 23:20:57 +01:00
Jarkko Nikula d77a14b579 ASoC: Remove needless snd_soc_dapm_enable_pin() from machine driver inits
ALSA SoC core marks widgets as connected by default when they are
initialized in snd_soc_dapm_new_control() so there is no need to call
snd_soc_dapm_enable_pin() from machine driver init functions.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-19 17:19:18 +01:00
Tushar Behera deeaa686b9 ASoC: samsung: Add missing pm ops for Snow sound card driver
Adding missing pm ops so that audio playback works across
suspend and resume cycle.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-14 12:34:50 +01:00
Arnd Bergmann 7ec91cd017 ASoC: samsung: TLV320AIC23 and Simtec Hermes audio need I2C
This codec requires I2C to be enabled, so any other option
that selects it should also depend on I2C.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Xia Kaixu <kaixu.xia@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-01 13:28:26 -07:00
Arnd Bergmann 654da9f522 ASoC: samsung: UDA1380 needs I2C
The UDA1380 driver needs I2C to be enabled, so
SND_SOC_SAMSUNG_H1940_UDA1380 and
SND_SOC_SAMSUNG_RX1950_UDA1380 also
require this.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Xia Kaixu <kaixu.xia@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-05-01 10:59:40 -07:00
Arnd Bergmann 1aa91b6dd4 ASoC: samsung-idma: avoid 64-bit division
dma_addr_t may be 64 bit wide, which causes a build failure
when doing a division on it. Here it is safe to cast to an
u32 type, which avoids the problem.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Xia Kaixu <kaixu.xia@linaro.org>
Tested-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-30 20:31:13 -07:00
Arnd Bergmann 01c2cb67ea ASoC: samsung: SMDK_WM8580_PCM needs REGMAP_I2C
This adds a missing dependency for SND_SOC_SMDK_WM8580_PCM to
require REGMAP_I2C to be enabled, avoiding possible build
erorrs.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Xia Kaixu <kaixu.xia@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-30 20:30:43 -07:00
Arnd Bergmann a2915d4fef ASoC: CS42L51 and WM8962 codecs depend on INPUT
Building ARM randconfig got into a situation where CONFIG_INPUT
is turned off and SND_SOC_ALL_CODECS is turned on, which failed
for two codecs trying to use the input subsystem. Some other
drivers also select one of these codecs and consequently need an
explicit dependency added.

Appending to the dependency list seems the easiest way out,
since this is not a practical limitation. If anyone really
needs to build these codecs for a kernel with no input support,
a more sophisticated solution can be implemented.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Xia Kaixu <kaixu.xia@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-30 18:29:33 -07:00
Tushar Behera 31c26a6a84 ASoC: samsung: Add sound card driver for Snow board
Added machine driver to instantiate I2S based sound card on Snow
board. It has MAX98095 audio codec on board.

There are some other variants for Snow board which have MAX98090
audio codec. Hence support for MAX98090 is also added to this
driver.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-29 12:09:38 -07:00
Tushar Behera d66eac3e2b ASoC: samsung: Don't clear clock setting during i2s_startup
In exiting kernel, if DAIFMT flags are set in dai_link and I2S is
set to run in master mode, the I2S clocks are not getting configured
resulting in no output.

Existing code clears the current I2S clock settings during i2s_startup
and requires that the clocks are reconfigured. It then assumes that
sound-card driver would call snd_soc_dai_{set_sysclk/set_fmt} to
configure the root clock.

1. Since I2S clock settings remain fixed for a board, it would be better
to set the clocks once during sound-card probe.

2. Also if the DAIFMT flags are set in dai_link, snd_soc_dai_set_fmt is
called during DAI probe.

If both these conditions are true, then I2S clock remains unconfigured
during audio playback. Fix this by removing the code to clear
rclk_srcrate in i2s_startup. Instead, reset this during DAI probe.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-23 12:30:12 +01:00
Sachin Kamat 71e5222cbe ASoC: samsung: Fix build on multiplatform
PCM and S/PDIF drivers referenced mach headers for a trivial
data structure. This caused build errors on multiplatform builds
as machine headers are not accessible from driver files. Move the data
structure definition to the driver header and remove the dependency.
While at it rename the structure to avoid multiple definition errors
as the same structure is also used by the platform code.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-04-08 12:51:57 +01:00
Mark Brown 7cc6417208 Merge remote-tracking branches 'asoc/topic/samsung', 'asoc/topic/sgtl5000', 'asoc/topic/sh', 'asoc/topic/simple', 'asoc/topic/sirf', 'asoc/topic/sn95031', 'asoc/topic/ssm2602' and 'asoc/topic/stac9766' into asoc-next 2014-03-12 23:04:42 +00:00
Mark Brown 84f6965e2b Merge remote-tracking branches 'asoc/topic/da7213', 'asoc/topic/da732x', 'asoc/topic/da9055', 'asoc/topic/davinci', 'asoc/topic/fsl', 'asoc/topic/fsl-esai', 'asoc/topic/fsl-sai' and 'asoc/topic/fsl-spdif' into asoc-next 2014-03-12 23:04:22 +00:00
Mark Brown 8b621d0fae Merge branch 'topic/tlv320aic23' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-samsung 2014-03-07 10:59:36 +08:00
Max Filippov cc1bc54aa7 ASoC: update Kconfig of AIC23 users to select I2C variant
Now that AIC23 supports two control interfaces all existing I2C users
should select I2C variant.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-07 10:55:33 +08:00