1 files changed, 2 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8994.h b/sound/soc/codecs/wm8994.h
index 6536f8d45ac6..dd73387b1cc4 100644
--- a/sound/soc/codecs/wm8994.h
+++ b/sound/soc/codecs/wm8994.h
@@ -13,6 +13,7 @@
 #include <linux/firmware.h>
 #include <linux/completion.h>
 #include <linux/workqueue.h>
+#include <linux/mutex.h>
 
 #include "wm_hubs.h"
 
@@ -156,6 +157,7 @@ struct wm8994_priv {
         unsigned int aif1clk_disable:1;
         unsigned int aif2clk_disable:1;
 
+        struct mutex fw_lock;
         int dsp_active;
         const struct firmware *cur_fw;
         const struct firmware *mbc;