From: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Date: Tue, 18 Feb 2014 15:22:13 +0000 (+0000)
Subject: ASoC: dapm: Add helpers to lock/unlock DAPM mutex
X-Git-Tag: submit/tizen/20160607.132125~4775^2~1^2~5^2~13^2~18
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f6d5e586b416746664c01ab5d4b19ed5e2d1cbaa;p=sdk%2Femulator%2Femulator-kernel.git

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>
---

diff --git a/include/sound/soc.h b/include/sound/soc.h
index 9a00147..1e12b66 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