media: rcar-vin: Use pad variant of dv timing subdev calls

Use the pad variant for all (s|g|query)_dv_timings subdev calls, which
includes a pad argument.

Signed-off-by: Paweł Anikiel <[e-mail]>
Tested-by: Niklas Söderlund <[e-mail]>
Signed-off-by: Hans Verkuil <[e-mail]>

drivers/media/platform/renesas/rcar-vin/rcar-v4l2.c

···
 	struct v4l2_subdev *sd = vin_to_source(vin);
 	int ret;
 
-	ret = v4l2_subdev_call(sd, video, s_dv_timings, timings);
+	ret = v4l2_subdev_call(sd, pad, s_dv_timings,
+			       vin->parallel.sink_pad, timings);
 	if (ret)
 		return ret;
 
···
 	struct rvin_dev *vin = video_drvdata(file);
 	struct v4l2_subdev *sd = vin_to_source(vin);
 
-	return v4l2_subdev_call(sd, video, g_dv_timings, timings);
+	return v4l2_subdev_call(sd, pad, g_dv_timings,
+				vin->parallel.sink_pad, timings);
 }
 
 static int rvin_query_dv_timings(struct file *file, void *priv_fh,
···
 	struct rvin_dev *vin = video_drvdata(file);
 	struct v4l2_subdev *sd = vin_to_source(vin);
 
-	return v4l2_subdev_call(sd, video, query_dv_timings, timings);
+	return v4l2_subdev_call(sd, pad, query_dv_timings,
+				vin->parallel.sink_pad, timings);
 }
 
 static int rvin_dv_timings_cap(struct file *file, void *priv_fh,