By doing software reset of wm8962 in pm_resume, all registers which have already been set will be reset to default value without regmap interface be involved, thus driver need to mark cache_dirty flag, to let regcache can be updated by regcache_sync().
Signed-off-by: Jiada Wang jiada_wang@mentor.com --- sound/soc/codecs/wm8962.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 293e47a..a3d7778 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3805,6 +3805,8 @@ static int wm8962_runtime_resume(struct device *dev)
wm8962_reset(wm8962);
+ regcache_mark_dirty(wm8962->regmap); + /* SYSCLK defaults to on; make sure it is off so we can safely * write to registers if the device is declocked. */