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Message-Id: <20120807222044.775555518@linuxfoundation.org> Date: Tue, 7 Aug 2012 15:34:38 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Greg KH <gregkh@...uxfoundation.org>, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Mark Brown <broonie@...nsource.wolfsonmicro.com> Subject: [ 019/109] ASoC: wm8962: Redo early init of the part on resume From: Greg KH <gregkh@...uxfoundation.org> 3.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mark Brown <broonie@...nsource.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@...nsource.wolfsonmicro.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- sound/soc/codecs/wm8962.c | 3 +++ 1 file changed, 3 insertions(+) --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3710,6 +3710,9 @@ 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, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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