ASoC: adau1701: Fix prototype for adau1701_set_sysclk

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/adau1701.c b/sound/soc/codecs/adau1701.c
index b400afa..8b7e1c5 100644
--- a/sound/soc/codecs/adau1701.c
+++ b/sound/soc/codecs/adau1701.c
@@ -401,7 +401,7 @@
 }
 
 static int adau1701_set_sysclk(struct snd_soc_codec *codec, int clk_id,
-	unsigned int freq, int dir)
+	int source, unsigned int freq, int dir)
 {
 	unsigned int val;