Interrupt Clear registers WCD938X_INTR_CLEAR_0 - WCD938X_INTR_CLEAR_2
are not marked as volatile. This has resulted in a missing interrupt bug
while performing runtime pm. regcache_sync() during runtime pm resume path
will write to Interrupt clear registers with previous values which basically
clears the pending interrupt and actual interrupt handler never sees this
interrupt.
This issue is more visible with headset plug-in plug-out case compared to
headset button.
Fix this by adding the Interrupt clear registers to volatile range
Fixes: 8d78602aa8 ("ASoC: codecs: wcd938x: add basic driver")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20211116114623.11891-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch is to fix audio 3.5mm jack detection failure
on wcd938x codec based target.
Fixes: bcee7ed09b (ASoC: codecs: wcd938x: add Multi Button Headset Control support)
Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1633614619-27026-1-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
WCD938x 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 using wcd-mbhc apis.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210716105918.7301-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
cppcheck warning:
sound/soc/codecs/wcd938x.c:3701:9: warning: Identical condition and
return expression 'ret', return value is always 0
[identicalConditionAfterEarlyExit]
return ret;
^
sound/soc/codecs/wcd938x.c:3691:6: note: If condition 'ret' is true,
the function will return/exit
if (ret)
^
sound/soc/codecs/wcd938x.c:3701:9: note: Returning identical expression 'ret'
return ret;
^
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210804192456.278702-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
port_map field was added prior to adding static port map support in soundwire.
This makes port_map array in struct wcd938x_sdw_priv redundant and unused,
so remove this.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210716105612.5284-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
SoundWire registers are only accessable after sdw components are succesfully
binded. Setup irqs at that point instead of doing at probe.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210716105735.6073-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch fixes below two uninitialized symbol warnings
warning:
sound/soc/codecs/wcd938x.c:2092 wcd938x_tx_swr_ctrl()
error: uninitialized symbol 'rate'
sound/soc/codecs/wcd938x.c:2189 wcd938x_tx_channel_config()
error: uninitialized symbol 'reg'.
First one my brining in check to already existing if condition and
second one by adding a default switch case to avoid any access to reg.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210621134502.19537-2-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch fixes below
warning: unused variable wcd938x_dt_match
by placing device match table under CONFIG_OF
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210621134502.19537-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Return statements in functions returning bool should use true/false
instead of 1/0.
Fix the following coccicheck warning:
./sound/soc/codecs/wcd938x.c:1190:9-10: WARNING: return of 0/1 in
function 'wcd938x_volatile_register' with return type bool.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1623811535-15841-1-git-send-email-yang.lee@linux.alibaba.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Clean up the following includecheck warnings:
./sound/soc/codecs/wcd938x.c: sound/soc.h is included more than once.
./sound/soc/codecs/wcd938x-sdw.c: sound/soc.h is included more than
once.
No functional change.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/1623822667-130511-1-git-send-email-jiapeng.chong@linux.alibaba.com
Signed-off-by: Mark Brown <broonie@kernel.org>
For some reason we ended up with cyclic dependency between snd_soc_wcd938x
and snd_soc_wcd938x_sdw modules.
Remove this cyclic dependency by handling them in respective modules.
Without this below error is reported during make modules_install
depmod: ERROR: Cycle detected: snd_soc_wcd938x -> snd_soc_wcd938x_sdw -> snd_soc_wcd938x
depmod: ERROR: Found 2 modules in dependency cycles!
Fixes: 0454422288 ("ASoC: codecs: wcd938x: add audio routing and Kconfig")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210615132829.23067-1-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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.
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Link: https://lore.kernel.org/r/20210615113324.238837-1-pulehui@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
