diff --git a/sound/soc/codecs/wm8978.h b/sound/soc/codecs/wm8978.h
index 6ae43495b7cf..0dcf6868dff6 100644
--- a/sound/soc/codecs/wm8978.h
+++ b/sound/soc/codecs/wm8978.h
@@ -78,8 +78,8 @@ enum wm8978_clk_id {
 };
 
 enum wm8978_sysclk_src {
+	WM8978_MCLK = 0,
 	WM8978_PLL,
-	WM8978_MCLK
 };
 
 #endif	/* __WM8978_H__ */