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authorLiam Girdwood <liam.r.girdwood@linux.intel.com>2014-05-16 16:55:20 +0300
committerJiri Slaby <jslaby@suse.cz>2014-07-02 12:05:48 +0200
commit0fa09d2e27889cda6b952ac03a681d8b5b24a53e (patch)
tree10fe6a0c1a19ca247a2c33098b0c71005e21f084 /sound
parent347b9fed12a93b917f18437c5749929e42049c3a (diff)
ASoC: max98090: Fix reset at resume time
commit 25b4ab430f8e166c9b63f4db28e7e812d5a59396 upstream. 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> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/max98090.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 8bddf3f20a5e..9ad8f019adcd 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -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:
@@ -2360,6 +2361,8 @@ static int max98090_runtime_resume(struct device *dev)
regcache_cache_only(max98090->regmap, false);
+ max98090_reset(max98090);
+
regcache_sync(max98090->regmap);
return 0;