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ASoC: dapm: Add helpers to lock/unlock DAPM mutex 

Acquiring the DAPM mutex is necessary before using several DAPM
functions and dereference is quite ugly. This patch provides a helper
function to simplify this.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Charles Keepax 2014-02-18 15:22:13 +00:00 committed by Mark Brown
parent e96cb48482
commit f6d5e586b4
1 changed files with 11 additions and 0 deletions
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11
include/sound/soc.h
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@ -1188,4 +1188,15 @@ extern struct dentry *snd_soc_debugfs_root;
extern const struct dev_pm_ops snd_soc_pm_ops;
/* Helper functions */
static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
{
mutex_lock(&dapm->card->dapm_mutex);
}
static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
{
mutex_unlock(&dapm->card->dapm_mutex);
}
#endif