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ASoC: wm8962: Redo early init of the part on resume

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commit e4dd76788c upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mark Brown
2012-07-11 19:03:48 +01:00
committed by Greg Kroah-Hartman
parent b1f7d13379
commit f872122ebb
1 changed files with 3 additions and 0 deletions
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3
sound/soc/codecs/wm8962.c
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@@ -3722,6 +3722,9 @@ 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,