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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-01-23 14:44:54 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2009-02-24 23:48:11 +0000
commit8056d9bbb57207854462b6b0a3a75d172300cce5 (patch)
tree2a26c40ee5b081e9df0efe2d46e85caafb31899e /sound/soc/codecs
parent93e051d2771e6bf70e86b8265bfbf296a457d044 (diff)
downloadop-kernel-dev-8056d9bbb57207854462b6b0a3a75d172300cce5.zip
op-kernel-dev-8056d9bbb57207854462b6b0a3a75d172300cce5.tar.gz
ASoC: Improve WM9713 voice DAC shutdown procedure
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs')
-rw-r--r--sound/soc/codecs/wm9713.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c
index 54db9c5..a93aea5 100644
--- a/sound/soc/codecs/wm9713.c
+++ b/sound/soc/codecs/wm9713.c
@@ -940,13 +940,14 @@ static void wm9713_voiceshutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct snd_soc_codec *codec = dai->codec;
- u16 status;
+ u16 status, rate;
/* Gracefully shut down the voice interface. */
status = ac97_read(codec, AC97_EXTENDED_STATUS) | 0x1000;
- ac97_write(codec, AC97_HANDSET_RATE, 0x0280);
+ rate = ac97_read(codec, AC97_HANDSET_RATE) & 0xF0FF;
+ ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0200);
schedule_timeout_interruptible(msecs_to_jiffies(1));
- ac97_write(codec, AC97_HANDSET_RATE, 0x0F80);
+ ac97_write(codec, AC97_HANDSET_RATE, rate | 0x0F00);
ac97_write(codec, AC97_EXTENDED_MID, status);
}
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