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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-05 13:50:48 -0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-06 11:11:24 -0400
commit71a295602ed967fa22d96d57a2e38bb86de24db7 (patch)
tree7cafff050fbb140174590dcdab359653845365ca /sound/soc/pxa/tosa.c
parent6424dca23e6b5a2f7a19a69cf7c0990b11717b00 (diff)
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ASoC: Lock the CODEC in PXA external jack controls
When doing anything with the system, especially DAPM, we need to hold the CODEC mutex. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'sound/soc/pxa/tosa.c')
-rw-r--r--sound/soc/pxa/tosa.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
index 73d0edd8ded..7b983f93545 100644
--- a/sound/soc/pxa/tosa.c
+++ b/sound/soc/pxa/tosa.c
@@ -81,8 +81,13 @@ static int tosa_startup(struct snd_pcm_substream *substream)
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_codec *codec = rtd->codec;
+ mutex_lock(&codec->mutex);
+
/* check the jack status at stream startup */
tosa_ext_control(codec);
+
+ mutex_unlock(&codec->mutex);
+
return 0;
}