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ASoC: max98090: Fix reset at resume time

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Reset needs to wait 20ms before other codec IO is performed. This wait
was not being performed. Fix this by making sure the reset register is not
restored with the cache, but use the manual reset method in resume with
the wait.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Liam Girdwood 2014-05-16 16:55:20 +03:00 committed by Mark Brown
parent 729af1ce6c
commit 25b4ab430f
1 changed files with 3 additions and 0 deletions
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3
sound/soc/codecs/max98090.c
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@ -255,6 +255,7 @@ static struct reg_default max98090_reg[] = {
static bool max98090_volatile_register(struct device *dev, unsigned int reg)
{
switch (reg) {
case M98090_REG_SOFTWARE_RESET:
case M98090_REG_DEVICE_STATUS:
case M98090_REG_JACK_STATUS:
case M98090_REG_REVISION_ID:
@ -2374,6 +2375,8 @@ static int max98090_runtime_resume(struct device *dev)
regcache_cache_only(max98090->regmap, false);
max98090_reset(max98090);
regcache_sync(max98090->regmap);
return 0;