diff --git a/sound/soc/codecs/wm8731.h b/sound/soc/codecs/wm8731.h
index 8fa0f53..5bcab6a 100644
--- a/sound/soc/codecs/wm8731.h
+++ b/sound/soc/codecs/wm8731.h
@@ -31,6 +31,9 @@
 
 #define WM8731_CACHEREGNUM 	10
 
+#define WM8731_SYSCLK	0
+#define WM8731_DAI		0
+
 struct wm8731_setup_data {
 	unsigned short i2c_address;
 };