2 files changed, 6 insertions, 0 deletions
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 8da3c2409060..055242e69dc3 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -432,6 +432,11 @@ enum snd_soc_dapm_type {
 	snd_soc_dapm_dai,		/* link to DAI structure */
 };
 
+enum snd_soc_dapm_subclass {
+	SND_SOC_DAPM_CLASS_INIT	= 0,
+	SND_SOC_DAPM_CLASS_PCM	= 1,
+};
+
 /*
  * DAPM audio route definition.
  *
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 70de2f82e872..66fd9bc9789d 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -805,6 +805,7 @@ struct snd_soc_card {
 
 	struct list_head list;
 	struct mutex mutex;
+	struct mutex dapm_mutex;
 
 	bool instantiated;