[alsa-devel] [PATCH] ASoC: wm8962: Redo early init of the part on resume

Ensure robust startup of the part by going through the reset procedure prior to resyncing the full register cache, avoiding potential intermittent faults in some designs.

Signed-off-by: Mark Brown broonie@opensource.wolfsonmicro.com --- sound/soc/codecs/wm8962.c | 3 +++ 1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 5781581..6999f74 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3727,6 +3727,9 @@ static int wm8962_runtime_resume(struct device *dev) }

regcache_cache_only(wm8962->regmap, false); + + wm8962_reset(wm8962); + regcache_sync(wm8962->regmap);

regmap_update_bits(wm8962->regmap, WM8962_ANTI_POP,