diff options
| author | Liam Girdwood <lrg@ti.com> | 2012-03-06 19:16:18 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-03-06 21:07:00 +0100 |
| commit | cc22d37e7f5e1745658760660f03793913f43e49 (patch) | |
| tree | a5ca907a7c825fc69f70b266d00bd6966a20b517 | |
| parent | ASoC: tegra: Remove unused variable (diff) | |
| download | linux-cc22d37e7f5e1745658760660f03793913f43e49.tar.xz linux-cc22d37e7f5e1745658760660f03793913f43e49.zip | |
ASoC: core: Add platform component mutex
Add mutex support for platform IO operations. e.g. can be used
for platform DAPM widget IO ops.
Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
| -rw-r--r-- | include/sound/soc.h | 1 | ||||
| -rw-r--r-- | sound/soc/soc-core.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h index 82bd773f8ab1..2ebf7877c148 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -718,6 +718,7 @@ struct snd_soc_platform { int id; struct device *dev; struct snd_soc_platform_driver *driver; + struct mutex mutex; unsigned int suspended:1; /* platform is suspended */ unsigned int probed:1; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 7978f6c01ef7..c90bb0110bd2 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3382,6 +3382,7 @@ int snd_soc_register_platform(struct device *dev, platform->dapm.dev = dev; platform->dapm.platform = platform; platform->dapm.stream_event = platform_drv->stream_event; + mutex_init(&platform->mutex); mutex_lock(&client_mutex); list_add(&platform->list, &platform_list); |