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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-05 13:50:48 -0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-06 11:11:24 -0400 |
| commit | 71a295602ed967fa22d96d57a2e38bb86de24db7 (patch) | |
| tree | 7cafff050fbb140174590dcdab359653845365ca /sound/soc/pxa/tosa.c | |
| parent | 6424dca23e6b5a2f7a19a69cf7c0990b11717b00 (diff) | |
| download | lwn-71a295602ed967fa22d96d57a2e38bb86de24db7.tar.gz lwn-71a295602ed967fa22d96d57a2e38bb86de24db7.zip | |
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.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c index 73d0edd8ded9..7b983f935454 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; } |