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>
Cc: stable@vger.kernel.org

parent b761c0ca

sound/soc/codecs/wm8962.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -3725,6 +3725,9 @@ static int wm8962_runtime_resume(struct device *dev)
	}		}

	regcache_cache_only(wm8962->regmap, false);		regcache_cache_only(wm8962->regmap, false);

			wm8962_reset(wm8962);

	regcache_sync(wm8962->regmap);		regcache_sync(wm8962->regmap);

	regmap_update_bits(wm8962->regmap, WM8962_ANTI_POP,		regmap_update_bits(wm8962->regmap, WM8962_ANTI_POP,