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Diffstat (limited to 'sound/soc/codecs/wm8994.h')
-rw-r--r--sound/soc/codecs/wm8994.h2
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;