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authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2014-02-18 15:22:13 +0000
committerMark Brown <broonie@linaro.org>2014-02-20 19:22:23 +0900
commitf6d5e586b416746664c01ab5d4b19ed5e2d1cbaa (patch)
tree4d76b984ffc8eb65631f639586bfe46f6eb29293 /include/sound/soc.h
parente96cb48482f8852716d89d0e6baf6d2c425ae33e (diff)
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>
Diffstat (limited to 'include/sound/soc.h')
-rw-r--r--include/sound/soc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 9a001472b96..1e12b66da2c 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -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