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 <ckee...@opensource.wolfsonmicro.com>
---
include/sound/soc.h | 11 +++++++++++
1 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 21038e0..dc46623 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1204,4 +1204,15 @@ 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
--
1.7.2.5
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