diff --git a/drivers/misc/wl2866d.c b/drivers/misc/wl2866d.c
index a85920a741c0..ef9f166307e4 100644
--- a/drivers/misc/wl2866d.c
+++ b/drivers/misc/wl2866d.c
@@ -86,7 +86,7 @@ void clear_use_count(int val)
 	}
 }
 
-int wl2866d_camera_power_down_all()
+int wl2866d_camera_power_down_all(void)
 {
 	int ret = -1;
 	ret = wl2866d_i2c_write(camera_chip, wl2866d_on_config[VOL_ENABLE].reg,