diff --git a/drivers/video/msm/mdp4_util.c b/drivers/video/msm/mdp4_util.c
index 65d872f010b..fde59ec5116 100644
--- a/drivers/video/msm/mdp4_util.c
+++ b/drivers/video/msm/mdp4_util.c
@@ -1311,7 +1311,7 @@ void mdp4_vg_qseed_init(int vp_num)
 
 }
 
-void mdp4_mixer_blend_init(mixer_num)
+void mdp4_mixer_blend_init(int mixer_num)
 {
 	unsigned char *overlay_base;
 	int off;
