To set mic bias resistor, we need to update bits[9:8] of
SGTL5000_CHIP_MIC_CTRL register.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Thus SGTL5000_BIAS_R_MASK should be defined as 0x0300 instead of 0x0200.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Mon, 17 Oct 2011 22:25:08 +0000 (06:25 +0800)]
ASoC: ad193x: Use snd_soc_update_bits for read-modify-write
Use snd_soc_update_bits for read-modify-write register access instead of
open-coding it using snd_soc_read and snd_soc_write
Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Barry Song <21cnbao@gmail.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Sun, 16 Oct 2011 15:29:12 +0000 (23:29 +0800)]
ASoC: wm8900: Fix the mask defines
Now we have done bitwise NOT against the mask bits for the defines of
WM8900_REG_CLOCKING1_BCLK_MASK,
WM8900_REG_CLOCKING1_OPCLK_MASK and WM8900_LRC_MASK.
But we don't have the bitwise NOT against the mask bits for the defines of
WM8900_REG_CLOCKING2_DAC_CLKDIV,
WM8900_REG_CLOCKING2_ADC_CLKDIV and WM8900_REG_DACCTRL_AIF_LRCLKRATE.
It is error prone to mix the inconsistent meaning for different mask defines.
So lets make the defines for each mask to be corresponding to the bits
defines in datasheet. Don't add extra "bitwise NOT" to the defines.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Sun, 16 Oct 2011 15:27:55 +0000 (23:27 +0800)]
ASoC: wm8900: Fix wrong mask for setting DAC_CLKDIV/ADC_CLKDIV/LRCLK_MODE
After checking the datasheet, I think what we want to do here is to
clear the WM8900_REG_CLOCKING2_DAC_CLKDIV/WM8900_REG_CLOCKING2_ADC_CLKDIV/
WM8900_REG_DACCTRL_AIF_LRCLKRATE bits and then OR with div value.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Mon, 17 Oct 2011 12:14:56 +0000 (20:14 +0800)]
ASoC: wm8741: Fix setting interface format for DSP modes
According to the datasheet:
Format Control (05h)
BITS[3:2]
FMT[1:0] Audio data format selection
00 = right justified mode
01 = left justified mode
10 = I2S mode
11 = DSP mode
BIT[4] LRP Polarity selec for LRCLK/DSP mode select
0 = normal LRCLK poalrity/DSP mode A
1 = inverted LRCLK poarity/DSP mode B
For SND_SOC_DAIFMT_DSP_A, we should set 0x000C instead of 0x0003.
For SND_SOC_DAIFMT_DSP_B, we should set 0x001C instead of 0x0013.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
Ashish Chavan [Sat, 15 Oct 2011 09:20:06 +0000 (14:50 +0530)]
ASoC: da7210: Add support for High pass and Voice filters for ADC and DAC
This patch add controls for setting cut-off for high pass and voice
filters of ADC and DAC. There are also switches to enable/disable
these filters.
Also removed hard coded, fixed values of these parameters used by
previous version of driver.
Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com> Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Ashish Chavan [Sat, 15 Oct 2011 09:17:56 +0000 (14:47 +0530)]
ASoC: da7210: Add support for ADC & DAC equalizers
This patch adds support for ADC and DAC five band equalizers
available on DA7210 codec.
Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com> Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Olof Johansson [Fri, 14 Oct 2011 22:54:19 +0000 (15:54 -0700)]
ASoC: Tegra: sparse cleanup
Fixes the following sparse warnings:
sound/soc/tegra/tegra_das.c:215:8: warning: Using plain integer as NULL pointer
sound/soc/tegra/tegra_das.c:237:8: warning: Using plain integer as NULL pointer
sound/soc/tegra/tegra_pcm.c:370:32: warning: symbol 'tegra_pcm_platform' was not declared. Should it be static?
Signed-off-by: Olof Johansson <olof@lixom.net> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
MAINTAINERS: Add maintainer for Analog Devices sound CODECs
The MAINTAINERS entry for the ADI sound CODEC drivers currently only lists the
ADI devices-drivers-devel mailing-list. Add myself as additional contact, since
I'm the person at ADI who is currently doing most of the work on these drivers.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Fri, 14 Oct 2011 11:43:34 +0000 (14:43 +0300)]
ASoC: twl6040: Request core to inline the DAPM sequence
We need to have as less time between McPDM shutdown,
and power down of the DAC on the twl6040 codec as possible.
Request core to ignore the pmdown_time for the playback
stream.
Backround: with the McPDM protocol we are sendning not only
the pure audio stream, but OMAP McPDM also transmits
additional information (for example offset cancellation).
If McPDM is stopped prior to the DAC this information will
be not sent to the codec, which can result noise rendered
by the twl6040 codec.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Fri, 14 Oct 2011 11:43:33 +0000 (14:43 +0300)]
ASoC: core: Add flag to ignore pmdown_time at pcm_close
With this flag codec drivers can indicate that it is desired
to ignore the pmdown_time for DAPM shutdown sequence when
playback stream is stopped.
The DAPM sequence will be executed without delay in this case.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Ashish Chavan [Fri, 14 Oct 2011 10:55:25 +0000 (16:25 +0530)]
ASoC: da7210: bugfix for head phone volume control
This patch takes care of reserved bits of headphone volume
register by using correct volume range.
Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com> Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Fri, 14 Oct 2011 09:01:59 +0000 (17:01 +0800)]
ASoC: ad193x: Fix define of AD193X_PLL_INPUT_MASK
Current code defines AD193X_PLL_INPUT_MASK as (~0x6) which is quite
different from other MASK defines.
To make it consistent with other mask defines, define AD193X_PLL_INPUT_MASK
as 0x6 and change the code accordingly.
I think this change improves the readability.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Fri, 14 Oct 2011 06:30:05 +0000 (14:30 +0800)]
ASoC: wm8990: Use snd_soc_update_bits for read-modify-write
Use snd_soc_update_bits for read-modify-write register access instead of
open-coding it using snd_soc_read and snd_soc_write
This patch also includes a comment fix in wm8990_set_dai_pll(),
if freq_in and freq_out are 0, what we do is to clear WM8990_PLL_ENA bit.
Thus the comment should be "Turn off PLL".
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Fri, 14 Oct 2011 05:57:48 +0000 (13:57 +0800)]
ASoC: wm8990: Fix wrong bit setting for WM8990_POWER_MANAGEMENT_2
If (fakepower & ((1 << WM8990_INMIXR_PWR_BIT) | (1 << WM8990_AINRMUX_PWR_BIT)))
is false, we should clear WM8990_AINR_ENA bits instead of WM8990_AINL_ENA.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Fri, 14 Oct 2011 04:08:00 +0000 (12:08 +0800)]
ASoC: wm8991: Fix wrong bit setting for WM8991_POWER_MANAGEMENT_2
If (fakepower & ((1 << WM8991_INMIXR_PWR_BIT)|(1 << WM8991_AINRMUX_PWR_BIT))))
is false, we should clear WM8991_AINR_ENA bits instead of WM8991_AINL_ENA.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Thu, 13 Oct 2011 12:05:43 +0000 (15:05 +0300)]
ASoC: twl6040: Change event ordering for Earphone driver
It is better to switch HS Power Mode (if it was in low power mode) before
we enable the Earpiece driver. The switched off EP driver can filter out
noise coming from the Low Power to High Performance transition on the
HSL DAC.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Thu, 13 Oct 2011 12:05:42 +0000 (15:05 +0300)]
ASoC: twl6040: Remove PLL usage restrictions
There is no limitation dictated by outputs or inputs regarding to the
selected PLL (LP/HP).
Remove the checks for this, and allow all path with any PLL configuration.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
ak4642 register was 8bit, but cache table was defined as 16bit.
ak4642 doesn't work correctry without this patch.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
Axel Lin [Thu, 13 Oct 2011 06:57:31 +0000 (14:57 +0800)]
ASoC: sta32x: Write the register default value to cache for reserved registers
Chip documentation explicitly requires that the reset values
of reserved register bits are left untouched.
codec->hw_read is broken now.
Here we use below trick to avoid writing to reserved registers while resume.
Write the register default value to cache for reserved registers,
so the write to the these registers are suppressed by the cache
restore code when it skips writes of default registers.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Wed, 12 Oct 2011 13:43:08 +0000 (21:43 +0800)]
ASoC: Make SND_SOC_SAARB and SND_SOC_TAVOREVB3 select MFD_88PM860X
In saarb_pm860x_init() and evb3_pm860x_init(), we call
pm860x_hs_jack_detect() and pm860x_mic_jack_detect() which in turn
calls pm860x_set_bits().
Thus make SND_SOC_SAARB and SND_SOC_TAVOREVB3 select MFD_88PM860X.
This patch fixes below build error if CONFIG_MFD_88PM860X is not configured.
LD .tmp_vmlinux1
sound/built-in.o: In function `pm860x_write_reg_cache':
last.c:(.text+0x29e9c): undefined reference to `pm860x_reg_write'
sound/built-in.o: In function `pm860x_set_bias_level':
last.c:(.text+0x29ecc): undefined reference to `pm860x_set_bits'
last.c:(.text+0x29f00): undefined reference to `pm860x_reg_write'
last.c:(.text+0x29f18): undefined reference to `pm860x_reg_write'
sound/built-in.o: In function `pm860x_read_reg_cache':
last.c:(.text+0x29f40): undefined reference to `pm860x_reg_read'
sound/built-in.o: In function `pm860x_probe':
last.c:(.text+0x2a034): undefined reference to `pm860x_bulk_read'
sound/built-in.o: In function `pm860x_codec_handler':
last.c:(.text+0x2a344): undefined reference to `pm860x_reg_read'
last.c:(.text+0x2a354): undefined reference to `pm860x_reg_read'
sound/built-in.o: In function `pm860x_mic_jack_detect':
last.c:(.text+0x2a450): undefined reference to `pm860x_set_bits'
sound/built-in.o: In function `pm860x_hs_jack_detect':
last.c:(.text+0x2a4d0): undefined reference to `pm860x_set_bits'
last.c:(.text+0x2a4f8): undefined reference to `pm860x_set_bits'
last.c:(.text+0x2a510): undefined reference to `pm860x_set_bits'
make: *** [.tmp_vmlinux1] Error 1
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Ashish Chavan [Wed, 12 Oct 2011 15:03:21 +0000 (20:33 +0530)]
ASoC: da7210: Add support for other DAI word lengths, format and mode
This patchs adds support for following,
(1) DAI 20 and 32 bit word sizes
(2) DAI left and right justified formats
(3) DAI slave mode
Signed-off-by: Ashish Chavan <ashish.chavan@kpitcummins.com> Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Wed, 12 Oct 2011 11:46:02 +0000 (14:46 +0300)]
ASoC: twl6040: Workaround for headset DC offset caused pop noise
Both Headset DAC need to be turned on/off at the same time before
any of the output drivers are enabled (HS Left/Right, Earpiece).
Move the HS DAC enable code to sequenced DAPM_SUPPLY, and attach
it to the DACs.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Wed, 12 Oct 2011 08:57:57 +0000 (11:57 +0300)]
ASoC: twl6040: Support for vibra output paths
twl6040 have two vibra output drivers.
They can be operated with audio stream coming through
the PDM interface (fifth channel).
The vibra outputs can be controlled via the input/FF
driver as well.
Selection between the two mode is implemented within
the codec driver, the input/FF driver can only operate if
the routing is set to "Input FF".
Changing from "Input FF" to "Audio PDM" mode is protected
as well: The switchin can only be done, if there is no
running effect from the input/FF.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Wed, 12 Oct 2011 08:57:56 +0000 (11:57 +0300)]
Input: twl6040-vibra: Check the selected path for vibra
The VIBSELL/R bit in the VIBCTLL/R register tells the source of the data,
which is going to be used to drive the attached motor(s).
Do not allow effect execution if any of the channels are set to receive
audio data.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Wed, 12 Oct 2011 08:57:55 +0000 (11:57 +0300)]
MFD: twl6040: function to query the vibra status for clients
If the client only interested, if any of the vibra channels enabled, or
if any of the channels are set to receive audio data via PDM.
This function targets mainly the vibra driver, so it can check if it is
allowed to execute effects ot not.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Wed, 12 Oct 2011 08:57:54 +0000 (11:57 +0300)]
MFD: twl6040: Cache the vibra control registers
The vibra control register will be used from the ASoC codec driver as well.
In order to avoid latency issues caused by I2C read access, cache the two
control register within the core driver, so we do not need to reach out
to the chip to read it back.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Samuel Ortiz <samuel.ortiz@intel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
The bits within the two control registers (for left and right channel)
are identical.
Use common names for the bits acros the two register.
Also add the missing definition for the path selection bit.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Mark Brown [Tue, 27 Sep 2011 16:39:50 +0000 (17:39 +0100)]
ASoC: Implement WM5100 accessory detection support
The WM5100 includes an advanced, low power, accessory detect subsystem
capable of detecting both accessory presence and button presses while
the device is in an ultra low power mode. Implement initial support for
this.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Wolfram Sang [Tue, 11 Oct 2011 10:43:02 +0000 (12:43 +0200)]
ASoC: Fix typo in Kconfig symbol for tlv320aic32x4
It is currently named "TVL" instead of "TLV".
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Javier Martin <javier.martin@vista-silicon.com> Cc: Liam Girdwood <lrg@ti.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Axel Lin [Tue, 11 Oct 2011 09:55:00 +0000 (17:55 +0800)]
ASoC: Writing register default value for the reset register
The WM8983 can be reset by performing a write of any value to
the software reset register.
To avoid writing to the software reset register while resume,
we should write the same value in wm8983_reg_defs to software
reset register in wm8983_probe().
The write to the reset register is suppressed by the cache
restore code when it skips writes of default registers.
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Mon, 10 Oct 2011 12:34:12 +0000 (15:34 +0300)]
ASoC: sdp3430: Let core to deal with the DAPM widgets
Pass the DAPM widgets/routes via the snd_soc_card struct
to core.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: Misael Lopez Cruz <misael.lopez@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Mon, 10 Oct 2011 12:34:11 +0000 (15:34 +0300)]
ASoC: osk5912: Let core to deal with the DAPM widgets
Pass the DAPM widgets/routes via the snd_soc_card struct
to core. With this change we do not need the init function
since the remaining snd_soc_dapm_enable_pin calls are
not needed.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Mon, 10 Oct 2011 12:34:10 +0000 (15:34 +0300)]
ASoC: n810: Let the core to register DAPM widgets/routes and controls
Pass the DAPM widgets/routes and static controls via the
snd_soc_card struct to core. In this way the machine driver
does not need to handle the DAPM widgets/routes.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: Jarkko Nikula <jarkko.nikula@bitmer.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Mon, 10 Oct 2011 12:34:09 +0000 (15:34 +0300)]
ASoC: am3517evm: Let core to deal with the DAPM widgets
Pass the DAPM widgets/routes via the snd_soc_card struct
to core. With this change we do not need the init function
since the remaining snd_soc_dapm_enable_pin calls are
not needed.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: Anuj Aggarwal <anuj.aggarwal@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Mon, 10 Oct 2011 12:34:16 +0000 (15:34 +0300)]
ASoC: sdp4430: No need to call dapm_pin_enable at init time
Widgets are connected by default.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: Misael Lopez Cruz <misael.lopez@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Mon, 10 Oct 2011 12:34:15 +0000 (15:34 +0300)]
ASoC: sdp4430: Let core to deal with the DAPM widgets
Pass the DAPM widgets/routes via the snd_soc_card struct
to core.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: Misael Lopez Cruz <misael.lopez@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Mon, 10 Oct 2011 12:34:14 +0000 (15:34 +0300)]
ASoC: zoom2: No need to call dapm_pin_enable at init time
Widgets are connected by default.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: Misael Lopez Cruz <misael.lopez@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Peter Ujfalusi [Mon, 10 Oct 2011 12:34:13 +0000 (15:34 +0300)]
ASoC: zoom2: Let core to deal with the DAPM widgets
Pass the DAPM widgets/routes via the snd_soc_card struct
to core.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Cc: Misael Lopez Cruz <misael.lopez@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Michael Opdenacker <michael.opdenacker@linaro.org> Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Mark Brown [Sun, 9 Oct 2011 13:06:13 +0000 (14:06 +0100)]
ASoC: Squash error codes from regmap down to -1 on read
The ASoC code always uses -1 as the error code due to reporting errors in
band with the value. Ensure we don't confuse anything by making sure we
don't pass actual error codes back into the rest of the code on read.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Mark Brown [Sun, 9 Oct 2011 10:52:05 +0000 (11:52 +0100)]
ASoC: Cache connected input and output recursions
The number of connected input and output endpoints for a given widgets
can't change during a DAPM run so there is no need to redo the recursion
through branches of the tree we've already visited. Doing this on one of
my test systems gives an improvement of:
Mark Brown [Fri, 7 Oct 2011 13:29:19 +0000 (14:29 +0100)]
ASoC: Suppress early calls to snd_soc_dapm_sync()
Ensure we only have one sync during the initial startup of the card by
making snd_soc_dapm_sync() a noop on non-instantiated cards. This avoids
any bounces due to things like jacks reporting their initial state on
partially initialised cards. The callers that don't also get called at
runtime should just be removed.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
projects / mirror_ubuntu-kernels.git / log