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);