ASoC: codecs: wcd934x: drop unneeded regulator include

Driver does not use any regulator code, so drop redundant include of
regulator/consumer.h header.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://msgid.link/r/20240117151208.1219755-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: fix resource leaks on component remove

Make sure to release allocated MBHC resources also on component remove.

This is specifically needed to allow probe deferrals of the sound card
which otherwise fails when reprobing the codec component.

Fixes: 9fb9b1690f0b ("ASoC: codecs: wcd934x: add mbhc support")
Cc: stable@vger.kernel.org # 5.14
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230705123018.30903-6-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: drop inline keywords

The compiler is generally better at deciding what functions should be
inlined than driver authors are.

Drop the bogus inline keyword from two functions that were neither very
small or used in a single place.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230630142717.5314-6-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: demote impedance printk

Demote the MBHC impedance measurement printk, which is only needed
for development and debugging, to debug level.

While at it, fix the capitalisation of "ohm" and add the missing space
before the opening parenthesis.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230630142717.5314-5-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: Simplify &pdev->dev in probe

The probe already stores pointer to &pdev->dev, so use it to make the
code a bit easier to read.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230418074630.8681-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: Simplify with dev_err_probe

Replace dev_err() in probe() path with dev_err_probe() to:
1. Make code a bit simpler and easier to read,
2. Do not print messages on deferred probe.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230418074630.8681-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: Use min macro for comparison and assignment

Simplify code by using min helper macro for logical evaluation and value
assignment. The change also facilitates code realignment for improved
readability.
Proposed change is identified using minmax.cocci Coccinelle script.

Signed-off-by: Deepak R Varma <drv@mailo.com>
Link: https://lore.kernel.org/r/Y+p2Hn0nrtHiKwPR@ubun2204.myguest.virtualbox.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: fix order of Slimbus unprepare/disable

Slimbus streams are first prepared and then enabled, so the cleanup path
should reverse it. The unprepare sets stream->num_ports to 0 and frees
the stream->ports. Calling disable after unprepare was not really
effective (channels was not deactivated) and could lead to further
issues due to making transfers on unprepared stream.

Fixes: a61f3b4f476e ("ASoC: wcd934x: add support to wcd9340/wcd9341 codec")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220921145354.1683791-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: Add endianness flag in snd_soc_component_driver

The endianness flag is used on the CODEC side to specify an
ambivalence to endian, typically because it is lost over the hardware
link. This device receives audio over a SLIMbus DAI and as such should
have endianness applied.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220504170905.332415-28-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: do not switch off SIDO Buck when codec is in use

SIDO(Single-Inductor Dual-Ouput) Buck powers up both analog and digital
circuits along with internal memory, powering off this is the last thing
that codec should do when going to very low power.

Current code was powering off this Buck if there are no users of sysclk,
which is not correct. Powering off this buck will result in no register access.
This code path was never tested until recently after adding pm support
in SoundWire controller. Fix this by removing the buck poweroff when the
codec is active and also the code that is not used.

Without this patch all the read/write transactions will never complete and
results in SLIMBus Errors like:

qcom,slim-ngd qcom,slim-ngd.1: Tx:MT:0x0, MC:0x60, LA:0xcf failed:-110
wcd934x-codec wcd934x-codec.1.auto: ASoC: error at soc_component_read_no_lock
on wcd934x-codec.1.auto for register: [0x00000d05] -110
qcom,slim-ngd-ctrl 171c0000.slim: Error Interrupt received 0x82000000

Reported-by: Amit Pundir <amit.pundir@linaro.org>
Fixes: a61f3b4f476e ("ASoC: wcd934x: add support to wcd9340/wcd9341 codec")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Amit Pundir <amit.pundir@linaro.org>
Link: https://lore.kernel.org/r/20220407094313.2880-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: Add missing of_node_put() in wcd934x_codec_parse_data

The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
This is similar to commit 64b92de9603f
("ASoC: wcd9335: fix a leaked reference by adding missing of_node_put")

Fixes: a61f3b4f476e ("ASoC: wcd934x: add support to wcd9340/wcd9341 codec")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220316083631.14103-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: fix return value of wcd934x_rx_hph_mode_put

wcd934x_rx_hph_mode_put currently returns zero eventhough it changes the value.
Fix this, so that change notifications are sent correctly.

Fixes: 1cde8b822332 ("ASoC: wcd934x: add basic controls")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220222183212.11580-10-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: fix kcontrol max values

set "HPH Type" Kcontrol max value of WCD_MBHC_HPH_STEREO instead of UINT_MAX.
set "HPHL/R Impedance" Kcontrols max value to INT_MAX instead of UINT_MAX as
max field is integer type.

Without this patch amixer for these controls will show -1 as max value to userspace.

Fixes: 9fb9b1690f0b ("ASoC: codecs: wcd934x: add mbhc support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220222183212.11580-9-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: remove redundant ret variable

return value form snd_soc_dapm_put_enum_double() directly instead
of taking this in another redundant variable.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211130160507.22180-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: return correct value from mixer put

wcd934x_compander_set() currently returns zero eventhough it changes the value.
Fix this, so that change notifications are sent correctly.

Fixes: 1cde8b822332 ("ASoC: wcd934x: add basic controls")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211130160507.22180-4-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: handle channel mappping list correctly

Currently each channel is added as list to dai channel list, however
there is danger of adding same channel to multiple dai channel list
which endups corrupting the other list where its already added.

This patch ensures that the channel is actually free before adding to
the dai channel list and also ensures that the channel is on the list
before deleting it.

This check was missing previously, and we did not hit this issue as
we were testing very simple usecases with sequence of amixer commands.

Fixes: a70d9245759a ("ASoC: wcd934x: add capture dapm widgets")
Fixes: dd9eb19b5673 ("ASoC: wcd934x: add playback dapm widgets")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211130160507.22180-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: return error code correctly from hw_params

Error returned from wcd934x_slim_set_hw_params() are not passed to upper layer,
this could be misleading to the user which can start sending stream leading
to unnecessary errors.

Fix this by properly returning the errors.

Fixes: a61f3b4f476e ("ASoC: wcd934x: add support to wcd9340/wcd9341 codec")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211116114623.11891-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: remove unneeded semicolons in wcd934x.c

Fix following coccicheck warning:
./sound/soc/codecs/wcd934x.c:5136:2-3: Unneeded semicolon
./sound/soc/codecs/wcd934x.c:2466:2-3: Unneeded semicolon
./sound/soc/codecs/wcd934x.c:2527:2-3: Unneeded semicolon

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20210608030656.24052-1-wanjiabing@vivo.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: add mbhc support

WCD934x has Multi Button Headset Control hardware to support Headset insertion,
type detection, 8 headset buttons detection, Over Current detection and Impedence
measurements.

This patch adds support for this feature via common mbhc layer.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210604115230.23259-4-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: use the clock provider API

Clock providers should use the clk_hw API

Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20210421120512.413057-3-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: Fix missing IRQF_ONESHOT as only threaded handler

Coccinelle noticed:
sound/soc/codecs/wcd934x.c:5041:7-32: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT

Signed-off-by: Guangqing Zhu <zhuguangqing83@gmail.com>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210415073829.22750-1-zhuguangqing83@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: constify static struct snd_soc_dai_ops

The snd_soc_dai_ops structures is only stored in the ops field of a
snd_soc_dai_driver structure, so make the snd_soc_dai_ops structure
const to allow the compiler to put it in read-only memory.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Link: https://lore.kernel.org/r/20210408062648.803227-1-yebin10@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: remove useless return

cppcheck warning:

sound/soc/codecs/wcd934x.c:1571:9: warning: Identical condition and
return expression 'ret', return value is always 0
[identicalConditionAfterEarlyExit]
return ret;
^
sound/soc/codecs/wcd934x.c:1568:6: note: If condition 'ret' is true,
the function will return/exit
if (ret)
^
sound/soc/codecs/wcd934x.c:1571:9: note: Returning identical
expression 'ret'
return ret;
^

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210218222916.89809-10-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: add a sanity check in set channel map

set channel map can be passed with a channel maps, however if
the number of channels that are passed are more than the actual
supported channels then we would be accessing array out of bounds.

So add a sanity check to validate these numbers!

Fixes: a61f3b4f476e ("ASoC: wcd934x: add support to wcd9340/wcd9341 codec")
Reported-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210309142129.14182-4-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd934x: Set digital gain range correctly

digital gain range is -84dB min to 40dB max, however this was not
correctly specified in the range.

Fix this by with correct range!

Fixes: 1cde8b822332 ("ASoC: wcd934x: add basic controls")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20201028154340.17090-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: codecs: wcd*: rename to snd_soc_component_read()

We need to use snd_soc_component_read()
instead of snd_soc_component_read32()

This patch renames _read32() to _read()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/87lfkn4mdy.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: remove unneeded semicolon

Fix the following coccicheck warning:

sound/soc/codecs/wcd934x.c:3621:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:4270:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:4018:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:4043:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:3804:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:3866:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:3596:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:3542:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:3673:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:3723:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:2492:2-3: Unneeded semicolon
sound/soc/codecs/wcd934x.c:1790:3-4: Unneeded semicolon
sound/soc/codecs/wcd934x.c:1806:3-4: Unneeded semicolon
sound/soc/codecs/wcd934x.c:1812:2-3: Unneeded semicolon

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200420042911.19379-1-yanaijie@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: remove unnecessary comparisons to bool

Fix the following coccicheck warning:

sound/soc/codecs/wcd934x.c:3881:8-17: WARNING: Comparison of 0/1 to bool
variable

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Link: https://lore.kernel.org/r/20200420042833.19116-1-yanaijie@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: remove unused headers

Looks like there are some unused headers, remove them.
Seems to be missed while moving to mfd.

Reported-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200306132806.19684-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: fix High Accuracy Buck enable

High Accuracy buck is not applicable when we use RCO Band Gap source,
so move it back to correct place.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200306132806.19684-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: Remove set but not unused variable 'hph_comp_ctrl7'

sound/soc/codecs/wcd934x.c: In function wcd934x_codec_hphdelay_lutbypass:
sound/soc/codecs/wcd934x.c:3395:6: warning: variable hph_comp_ctrl7 set but not used [-Wunused-but-set-variable]

commit da3e83f8bb86 ("ASoC: wcd934x: add audio routings")
involved this unused variable.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20200210150421.34680-1-yuehaibing@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: Remove some unnecessary NULL checks

Clang warns:

../sound/soc/codecs/wcd934x.c:1886:11: warning: address of array
'wcd->rx_chs' will always evaluate to 'true' [-Wpointer-bool-conversion]
if (wcd->rx_chs) {
~~ ~~~~~^~~~~~
../sound/soc/codecs/wcd934x.c:1894:11: warning: address of array
'wcd->tx_chs' will always evaluate to 'true' [-Wpointer-bool-conversion]
if (wcd->tx_chs) {
~~ ~~~~~^~~~~~
2 warnings generated.

Arrays that are in the middle of a struct are never NULL so they don't
need a check like this.

Fixes: a61f3b4f476e ("ASoC: wcd934x: add support to wcd9340/wcd9341 codec")
Link: https://github.com/ClangBuiltLinux/linux/issues/854
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Link: https://lore.kernel.org/r/20200204060143.23393-1-natechancellor@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: add audio routings

This patch adds audio routing for both playback and capture.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191219103153.14875-8-srinivas.kandagatla@linaro.org
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: add capture dapm widgets

This patch adds required dapm widgets for capture path.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191219103153.14875-7-srinivas.kandagatla@linaro.org
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: add playback dapm widgets

This patch adds required dapm widgets for playback.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191219103153.14875-6-srinivas.kandagatla@linaro.org
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: add basic controls

This patch adds basic controls found in wcd934x codec.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191219103153.14875-5-srinivas.kandagatla@linaro.org
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

ASoC: wcd934x: add support to wcd9340/wcd9341 codec

Qualcomm WCD9340/WCD9341 Codec is a standalone Hi-Fi audio codec IC,
It supports both I2S/I2C and SLIMbus audio interfaces.
On slimbus interface it supports two data lanes; 16 Tx ports
and 8 Rx ports. It has Five DACs and seven dedicated interpolators,
Seven (six audio ADCs, and one VBAT ADC), Multibutton headset
control (MBHC), Active noise cancellation, Sidetone paths,
MAD (mic activity detection) and codec processing engine.
It supports Class-H differential earpiece out and stereo single
ended headphones out.
This codec also has integrated SoundWire controller.

This patchset adds very basic support for playback and capture
via the interpolators and ADC respectively.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20191219103153.14875-4-srinivas.kandagatla@linaro.org
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>