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@xxxxxxxxxx> --- 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. */ -- 2.4.5 _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel