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When power up, a "pop" is heard on line-in and mic-in.
An analysis of the PCM shows it lasts ~400ms
and looks like a filter response.
VAG power up should be delayed by 400ms as VAG power down is.
Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@veo-labs.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Signed-off-by: Gianluca Renzi <gianlucarenzi@eurekelettronica.it>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: alsa-devel@alsa-project.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Gianluca Renzi <gianlucarenzi@eurekelettronica.it>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'asoc/topic/tegra', 'asoc/topic/tlv' and 'asoc/topic/topology' into asoc-next
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DECLARE_TLV_DB_RANGE() has the advantage over using TLV_DB_RANGE_HEAD()
that it automatically calculates the number of items in the TLV and is
hence less prone to manual error.
Generate using the following coccinelle script
// <smpl>
@@
declarer name DECLARE_TLV_DB_RANGE;
identifier tlv;
constant x;
@@
-unsigned int tlv[] = {
- TLV_DB_RANGE_HEAD(x),
+DECLARE_TLV_DB_RANGE(tlv,
...
-};
+);
// </smpl>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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i2c_driver does not need to set an owner because i2c_register_driver()
will set it.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'asoc/topic/sgtl5000' into asoc-next
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The dapm field of the snd_soc_codec struct is eventually going to be
removed, in preparation for this replace all manual access to
codec->dapm.bias_level with snd_soc_codec_get_bias_level().
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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All drivers have the same line at the end of the set_bias_level callback to
update the bias_level state. Move this update into
snd_soc_dapm_force_bias_level() and remove them from the drivers.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Currently LO_VOL_* stays at it's default (0x4 each) but this should be
calculated after setting VAG_VAL and LO_VAGCNTRL.
LO_VOL_* = 40 * log10(VAG_VAL / LO_VAGCNTRL) + 15
To avoid the log10 operation a table for all valid register values is
precalculated which contains the corresponding value
(VAG_VAL * 100 / LO_VAGCNTRL).
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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This is a preparation for calculating lo_vol which needs both vag
and lo_vag.
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The SGTL5000_CHIP_ANA_POWER register is cached. Update the cached
value instead of writing it directly.
Patch inspired by Russell King's more colorful remarks in this
patch:
https://github.com/SolidRun/linux-imx6-3.14/commit/dd4bf6a
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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To quote from section 1.3.1 of the data sheet:
The SGTL5000 has an internal reset that is deasserted
8 SYS_MCLK cycles after all power rails have been brought
up. After this time, communication can start
...
1.0us represents 8 SYS_MCLK cycles at the minimum 8.0 MHz SYS_MCLK.
Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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Shift the I2S mode value by the necessary amount before writing the
registers. This makes Right Justified and PCM mode work in addition to
the default Left Justified mode.
Signed-off-by: Filip Brozovic <fbrozovic@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The codec field of the snd_soc_widget struct is eventually going to be
removed, use snd_soc_dapm_to_codec(w->dapm) instead.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'asoc/topic/rt5677', 'asoc/topic/samsung' and 'asoc/topic/sgtl5000' into asoc-next
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When trying to play a 8kHz file with codec in slave mode we get the following
error on a mx28evk:
$ aplay -Dhw:0,0 stereo_8k.wav
Playing WAVE 'stereo_8k.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Stereo
[ 21.218647] sgtl5000 0-000a: PLL not supported in slave mode
[ 21.224559] sgtl5000 0-000a: 128 ratio is not supported. SYS_MCLK needs to be 256, 384 or 512 * fs
[ 21.233687] sgtl5000 0-000a: ASoC: can't set sgtl5000 hw params: -22
aplay: set_params:1123: Unable to install hw params:
This error happens because we are using 'sys_fs' instead of 'frame_rate' in the
valid ratio check.
Use the real'frame_rate' so that the ratio is correctly calculated and the
playback can run.
sgtl5000 codec manual states that in 'Synchronous SYS_MCLK input' mode that the
following SYS_CLK frequencies are allowed: 256*fs, 384*fs, 512*fs.
, where fs is the sampling frequency, which can be in the range of:
8, 11.025, 16, 22.5, 32, 44.1, 48, 96 kHz.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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According to the sgtl5000 datasheet the MCLK frequency range restriction of
8 to 27 MHz only applies when the PLL is used - synchronous SYS_MCLK input mode.
When running the codec as slave, the master should generate MCLK in the range of
256*fs, 384*fs or 512*fs, which is called asynchronous SYS_MCLK input mode.
In asynchronous SYS_MCLK we cannot have the 8 to 27 MHz check because if we
want to play a 8KHz sample rate track, with a MCLK of 8k * 512 = 4.096MHz the
current check would return -EINVAL, which is not correct.
Remove the 8 to 27MHz frequency check, since this only applies to the
synchronous SYS_MCLK input case.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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On a mx28evk with a sgtl5000 codec we notice a loud 'click' sound to happen
5 seconds after the end of a playback.
The SMALL_POP bit should fix this, but its definition is incorrect:
according to the sgtl5000 manual it is bit 0 of CHIP_REF_CTRL register, not
bit 1.
Fix the definition accordingly and enable the bit as intended per the code
comment.
After applying this change, no loud 'click' sound is heard after playback
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
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According to Documentation/CodingStyle - Chapter 14:
"The preferred form for passing a size of a struct is the following:
p = kmalloc(sizeof(*p), ...);
The alternative form where struct name is spelled out hurts readability and
introduces an opportunity for a bug when the pointer variable type is changed
but the corresponding sizeof that is passed to a memory allocator is not."
So do it as recommeded.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some systems may require to specify a bias different than default (1.25V).
This adds a property in sgtl5000 codec.
The property is specified in milli-volts so that it is coherent with datasheet.
Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@vodalys.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Some systems may require a different resistor than the default one (4K).
This adds a property in sgtl5000 codec.
It keeps the default of 4K when nothing is specified so it does not break
existing code.
Signed-off-by: Jean-Michel Hautbois <jean-michel.hautbois@vodalys.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Fix grammar and typos.
Besides that, also fix the comment about the range of SYS_MCLK, which is from
8 to 27 MHz.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'asoc/topic/tegra', 'asoc/topic/tlv320aic31xx' and 'asoc/topic/tlv320aic3x' into asoc-next
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According to the sgtl5000 datasheet the valid range for SYS_MCLK is from 8 to
27 MHz.
Add a sanity check prior to enabling SYS_MCLK.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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For sgtl5000 to operate in slave mode it can only work in "Synchronous
SYS_MCLK input" mode.
In this mode only the following rates can be supported: 256*Fs, 384*Fs, 512*Fs.
Improve the error message to give a better indication as to why the clocking
failed for slave mode:
[ 12.515399] sgtl5000 1-000a: PLL not supported in slave mode
[ 12.524124] sgtl5000 1-000a: 233 ratio is not supported. SYS_MCLK needs to be 256, 384 or 512 * fs
[ 12.535938] sgtl5000 1-000a: ASoC: can't set sgtl5000 hw params: -22
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Set the CODEC driver's suspend_bias_off flag rather than manually going to
SND_SOC_BIAS_OFF in suspend and SND_SOC_BIAS_STANDBY in resume. This makes
the code a bit shorter and cleaner.
Since the ASoC core now takes care of setting the bias level to
SND_SOC_BIAS_OFF when removing the CODEC there is no need to do it manually
anymore either.
The manual transition to SND_SOC_BIAS_STANDBY at the end of CODEC probe()
can also be removed as the core will automatically do this after the CODEC
has been probed.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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'asoc/topic/wm0010', 'asoc/topic/wm8904' and 'asoc/topic/wm8962' into asoc-next
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'asoc/topic/pxa' into asoc-next
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The CODEC doesn't care how data is laid out in memory.
Signed-off-by: Mark Brown <broonie@linaro.org>
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Using the sgtl5000 codec driver as a module and trying to remove it causes the
followig kernel oops:
root@freescale /$ rmmod snd-soc-imx-sgtl5000
[ 117.122920] ------------[ cut here ]------------
[ 117.127609] WARNING: CPU: 0 PID: 631 at drivers/regulator/core.c:3604 regula)
[ 117.137046] Modules linked in: snd_soc_imx_sgtl5000(-) snd_soc_sgtl5000 evbug
[ 117.144315] CPU: 0 PID: 631 Comm: rmmod Not tainted 3.16.0-rc3-next-201407043
[ 117.153366] Backtrace:
[ 117.155865] [<80011e5c>] (dump_backtrace) from [<80011ff8>] (show_stack+0x18)
[ 117.163484] r6:802fcc48 r5:00000000 r4:00000000 r3:00000000
[ 117.169228] [<80011fe0>] (show_stack) from [<80668cc0>] (dump_stack+0x88/0xa)
[ 117.176508] [<80668c38>] (dump_stack) from [<80029a38>] (warn_slowpath_commo)
[ 117.184696] r5:00000009 r4:00000000
[ 117.188322] [<800299c8>] (warn_slowpath_common) from [<80029a80>] (warn_slow)
[ 117.197150] r8:dd60d600 r7:ddfa6d00 r6:dd5d9064 r5:dd5e0f90 r4:dd5d9400
[ 117.203983] [<80029a5c>] (warn_slowpath_null) from [<802fcc48>] (regulator_u)
[ 117.212828] [<802fcb74>] (regulator_unregister) from [<7f0047c4>] (ldo_regul)
[ 117.223475] r4:dd59e300 r3:dd5e0f90
[ 117.227100] [<7f00479c>] (ldo_regulator_remove [snd_soc_sgtl5000]) from [<7f)
[ 117.238959] r4:dd5d8000 r3:ddd51420
[ 117.242623] [<7f0047dc>] (sgtl5000_remove [snd_soc_sgtl5000]) from [<804e5b1)
[ 117.252489] r5:00000000 r4:dd5d8000
[ 117.256111] [<804e5af8>] (soc_remove_codec) from [<804e5ed4>] (soc_remove_da)
[ 117.264933] r4:ddfb640c r3:00000000
[ 117.268555] [<804e5c10>] (soc_remove_dai_links) from [<804e5fbc>] (snd_soc_u)
[ 117.277810] r10:80359e48 r9:dd684000 r8:dd5ca800 r7:dd685e60 r6:00000001 r5c
[ 117.285761] r4:dd5d9064
[ 117.288329] [<804e5f28>] (snd_soc_unregister_card) from [<804f29f0>] (devm_c)
[ 117.297324] r6:00000004 r5:ddd0fc10 r4:dd5a7980 r3:804f29dc
[ 117.303095] [<804f29dc>] (devm_card_release) from [<8035a418>] (release_node)
[ 117.311369] [<8035a2a8>] (release_nodes) from [<8035aab4>] (devres_release_a)
[ 117.319583] r10:00000000 r9:dd684000 r8:8000ed64 r7:00000081 r6:ddd0fc44 r54
[ 117.327543] r4:ddd0fc10
[ 117.330108] [<8035aa7c>] (devres_release_all) from [<803571c8>] (__device_re)
[ 117.339214] r4:ddd0fc10 r3:dd5d9010
[ 117.342989] [<80357148>] (__device_release_driver) from [<80357a48>] (driver)
[ 117.351607] r5:7f00c9e4 r4:ddd0fc10
[ 117.355285] [<8035798c>] (driver_detach) from [<80357030>] (bus_remove_drive)
[ 117.363454] r6:00000880 r5:00000000 r4:7f00c9e4 r3:dd6c3a80
[ 117.369195] [<80356fdc>] (bus_remove_driver) from [<803580b8>] (driver_unreg)
[ 117.377683] r4:7f00c9e4 r3:dd60d480
[ 117.381305] [<80358088>] (driver_unregister) from [<80358bb4>] (platform_dri)
[ 117.390642] r4:7f00ca28 r3:7f00c35c
[ 117.394309] [<80358ba0>] (platform_driver_unregister) from [<7f00c370>] (imx)
[ 117.406188] [<7f00c35c>] (imx_sgtl5000_driver_exit [snd_soc_imx_sgtl5000]) f)
[ 117.417452] [<8008c2b8>] (SyS_delete_module) from [<8000eba0>] (ret_fast_sys)
[ 117.425753] r6:5f636f73 r5:5f646e73 r4:00016f40
[ 117.430428] ---[ end trace 8fd8a5cb39e46d0e ]---
This problem is well explained by Russell King:
"The sgtl5000 uses a two-stage initialisation process. The first stage
is when the platform driver is probed, where some resources are found
and initialised. The second stage is via the codec driver's probe
function, where regulators are found and initialised using the managed
resource support.
The problem here is that this works fine until the codec driver is
unbound. When this occurs, sgtl5000_remove() is called which is a no-op
as far as the managed resource code is concerned. The regulators remain
allocated, and their pointers in sgtl5000_priv remain valid.
If the codec is now re-probed, it will again try and find the regulators,
which will now be busy. This will fail.
That's not the only problem - if using the LDO regulator, the regulator
is unregistered from the regulator core code, but it still has a user.
When the user is cleaned up (eg, by removing the module) it hits the
free'd regulator, and this can oops the kernel.
This bug was originally introduced by 63e54cd9caa3ce ("ASoC: sgtl5000:
Use devm_regulator_bulk_get()")."
This reverts commit 63e54cd9caa3ce.
Tested on a imx53-qsb board.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Let memory subsystem handle the error logging.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'asoc/topic/simple' and 'asoc/topic/sirf' into asoc-next
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Since commit e5d80e82e32e (ASoC: sgtl5000: Convert to use regmap directly) a
kernel oops is observed after a suspend/resume sequence.
The kernel oops happens inside sgtl5000_restore_regs() as codec->reg_cache is no
longer a valid pointer.
Add the remaining register entries into sgtl5000_reg_defaults[] and remove
sgtl5000_restore_regs() completely, which allows suspend/resume to work fine and
make the code simpler.
Tested on a im53-qsb board.
Reported-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Tested-by: Shawn Guo <shawn.guo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'asoc/topic/sgtl5000', 'asoc/topic/sh', 'asoc/topic/simple', 'asoc/topic/sirf', 'asoc/topic/sta350' and 'asoc/topic/tlv320dac33' into asoc-next
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Using devm_regulator_bulk_get() can make the code cleaner and smaller as we
do not need to call regulator_bulk_free() in the error and remove paths.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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For CODEC controls snd_kcontrol_chip() currently returns a pointer to the
CODEC that registered the control. With the upcoming consolidation of
platform and CODEC controls this will change. Prepare for this by introducing
the snd_soc_kcontrol_codec() helper function that will hide the implementation
details of how the CODEC for a control can be obtained. This will allow us to
change this easily in the future.
The patch also updates all CODEC drivers to use the new helper function.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Just replace with the helper macro. No functional change at all.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Function sgtl5000_enable_regulators() is somehow odd in handling the
optional external VDDD supply. The driver can only enable this supply
on SGTL5000 chip before revision 0x11, and of course when this external
VDDD is present. It currently does something like below.
1. Check if regulator_bulk_get() on VDDA, VDDIO and VDDD will fail. If
it fails, VDDD must be absent and it falls on internal LDO by calling
sgtl5000_replace_vddd_with_ldo(). Otherwise, VDDD is used. And in
either case, regulator_bulk_enable() will be called to enable
3 supplies.
2. In case that SGTL5000 revision is later than 0x11, even if external
VDDD is present, it has to roll back the 'enable' and 'get' calls
with regulator_bulk_disable() and regulator_bulk_free(), and starts
over again by calling sgtl5000_replace_vddd_with_ldo() and
regulator_bulk_enable().
Such back and forth calls sequence is complicated and unnecessary.
Also, since commit 4ddfebd (regulator: core: Provide a dummy regulator
with full constraints), regulator_bulk_get() will always succeeds
because of the dummy regulator. Thus the VDDD detection is broken.
The patch changes the flow to something like the following, which should
be more reasonable and clear, and also fix the VDDD detection breakage.
1. Check if we're running a chip before revision 0x11, on which an
external VDDD can possibly be an option.
2. If it is an early revision, call regulator_get_optional() to detect
whether an external VDDD supply is available.
3. If external VDDD is present, call sgtl5000_replace_vddd_with_ldo() to
update sgtl5000->supplies info.
4. Drop regulator_bulk_get() call in sgtl5000_replace_vddd_with_ldo(),
and call it in sgtl5000_enable_regulators() no matter it's an
external VDDD or internal LDO.
5. Call regulator_bulk_enable() to enable these 3 regulators.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Store chip revision in struct sgtl5000_priv when sgtl5000_i2c_probe()
reads it out from register, so that we can use it in
sgtl5000_enable_regulators() with no need to read register again.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Powering down PLL before switching to a mode that does not use it
is a bad idea. It would cause the SGTL5000 be without internal
clock supply, especially on the I2C interface, which would make
subsequent access to it fail.
Thus, in case of not using PLL any longer, first set the mode
control, then power down PLL.
Signed-off-by: Oskar Schirmer <oskar@scara.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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The SGTL5000 Capture Attenuate Switch (or "ADC Volume Range Reduction"
as it is called in the manual) is single bit only.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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When a sound capture/playback is terminated while a playback/capture
is running, power_vag_event() will clear SGTL5000_CHIP_ANA_POWER in
the SND_SOC_DAPM_PRE_PMD event, thus muting the respective other
channel.
Don't clear SGTL5000_CHIP_ANA_POWER when both DAC and ADC are active
to prevent this.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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It's not always the case that clock is already available when sgtl5000
get probed at the first time, e.g. the clock is provided by CPU DAI
which may be probed after sgtl5000. So let's defer the probe when
devm_clk_get() call fails and give it chance to try later.
It fixes the regression on imx28 since commit 9e13f34 (ASoC: sgtl5000:
Let the codec acquire its clock).
[ 1.927637] sgtl5000 0-000a: Failed to get mclock: -2
[ 1.934280] sgtl5000: probe of 0-000a failed with error -2
[ 1.945906] mxs-sgtl5000 sound.13: ASoC: CODEC (null) not registered
[ 1.953787] mxs-sgtl5000 sound.13: snd_soc_register_card failed (-517)
[ 1.960865] platform sound.13: Driver mxs-sgtl5000 requests probe deferral
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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sgtl5000 has 16-bit registers, and only even numbers are valid for its registers
addresses.
Let regmap knows about this feature by specifying the 'reg_stride' field, so
that it can access only the valid registers.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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According to the sgtl5000 reference manual, the default value of CHIP_SSS_CTRL
is 0x10.
Reported-by: Oskar Schirmer <oskar@scara.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
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