linux-kernel - [PATCH] ASoC: wm8731: set the ACTIVE bit if bias ON entered

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Date:	Fri,  1 Jul 2011 12:43:54 +0200
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	alsa-devel@...a-project.org, broonie@...nsource.wolfsonmicro.com,
	lrg@...com
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH] ASoC: wm8731: set the ACTIVE bit if bias ON entered

Resuming from a suspend/resume cycle, the ACTIVE bit was not set even if a
stream had actually been processing.
Setting this bit at entering SND_SOC_BIAS_ON level will ensure this.

Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
Supersed the wrong patch:
"[PATCH 1/5] ASoC: wm8731: rework power management"

now based on broonie/sound-2.6 git tree branch: for-3.1.

 sound/soc/codecs/wm8731.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 2dc964b..ee4ec31 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -453,6 +453,7 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
 
 	switch (level) {
 	case SND_SOC_BIAS_ON:
+		snd_soc_write(codec, WM8731_ACTIVE, 0x0001);
 		break;
 	case SND_SOC_BIAS_PREPARE:
 		break;
-- 
1.7.3

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