media: sun8i-a83t-mipi-csi2: Clarify return code handling in stream off path

Explicitly set ret to zero instead of assigning it and overwriting it
later, which is a bit confusing to understand.

Signed-off-by: Paul Kocialkowski <[email protected]>
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>

Author: paulkocialkowski

drivers/media/platform/sunxi/sun8i-a83t-mipi-csi2/sun8i_a83t_mipi_csi2.c

@@ -220,7 +220,8 @@ static int sun8i_a83t_mipi_csi2_s_stream(struct v4l2_subdev *subdev, int on)
 		return -ENODEV;
 
 	if (!on) {
-		ret = v4l2_subdev_call(source_subdev, video, s_stream, 0);
+		v4l2_subdev_call(source_subdev, video, s_stream, 0);
+		ret = 0;
 		goto disable;
 	}
 
@@ -312,8 +313,6 @@ static int sun8i_a83t_mipi_csi2_s_stream(struct v4l2_subdev *subdev, int on)
 	return 0;
 
 disable:
-	if (!on)
-		ret = 0;
 	phy_power_off(dphy);
 	sun8i_a83t_mipi_csi2_disable(csi2_dev);