linux-kernel - [028/104] ASoC: Ensure WM8731 register cache is synced when resuming from disabled

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Message-Id: <20111207161217.070868944@clark.kroah.org>
Date:	Wed, 07 Dec 2011 08:11:30 -0800
From:	Greg KH <gregkh@...e.de>
To:	<linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>
Cc:	<torvalds@...ux-foundation.org>, <akpm@...ux-foundation.org>,
	<alan@...rguk.ukuu.org.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [028/104] ASoC: Ensure WM8731 register cache is synced when resuming from disabled

3.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mark Brown <broonie@...nsource.wolfsonmicro.com>

commit ed3e80c4c991a52f9fce3421536a78e331ae0949 upstream.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 sound/soc/codecs/wm8731.c |    1 +
 1 file changed, 1 insertion(+)

--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -463,6 +463,7 @@ static int wm8731_set_bias_level(struct
 		snd_soc_write(codec, WM8731_PWR, 0xffff);
 		regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
 				       wm8731->supplies);
+		codec->cache_sync = 1;
 		break;
 	}
 	codec->dapm.bias_level = level;


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