| From | Greg Kroah-Hartman <> | Subject | [ 023/122] ASoC: wm8962: Redo early init of the part on resume | Date | Tue, 7 Aug 2012 15:25:11 -0700 |
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From: Greg KH <gregkh@linuxfoundation.org>
3.5-stable review patch. If anyone has any objections, please let me know.
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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
commit e4dd76788c7e5b27165890d712c8c4f6f0abd645 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>
--- sound/soc/codecs/wm8962.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3722,6 +3722,9 @@ static int wm8962_runtime_resume(struct } regcache_cache_only(wm8962->regmap, false); + + wm8962_reset(wm8962); + regcache_sync(wm8962->regmap); regmap_update_bits(wm8962->regmap, WM8962_ANTI_POP,
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