[media] s5p-tv: hdmi: Add pad-level DV timings operations

The video enum_dv_timings and dv_timings_cap operations are deprecated.
Implement the pad-level version of those operations to prepare for the
removal of the video version.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/platform/s5p-tv/hdmi_drv.c

@@ -674,6 +674,8 @@ static int hdmi_g_mbus_fmt(struct v4l2_subdev *sd,
 static int hdmi_enum_dv_timings(struct v4l2_subdev *sd,
 	struct v4l2_enum_dv_timings *timings)
 {
+	if (timings->pad != 0)
+		return -EINVAL;
 	if (timings->index >= ARRAY_SIZE(hdmi_timings))
 		return -EINVAL;
 	timings->timings = hdmi_timings[timings->index].dv_timings;
@@ -687,6 +689,9 @@ static int hdmi_dv_timings_cap(struct v4l2_subdev *sd,
 {
 	struct hdmi_device *hdev = sd_to_hdmi_dev(sd);
 
+	if (cap->pad != 0)
+		return -EINVAL;
+
 	/* Let the phy fill in the pixelclock range */
 	v4l2_subdev_call(hdev->phy_sd, video, dv_timings_cap, cap);
 	cap->type = V4L2_DV_BT_656_1120;
@@ -713,6 +718,11 @@ static const struct v4l2_subdev_video_ops hdmi_sd_video_ops = {
 	.s_stream = hdmi_s_stream,
 };
 
+static const struct v4l2_subdev_pad_ops hdmi_sd_pad_ops = {
+	.enum_dv_timings = hdmi_enum_dv_timings,
+	.dv_timings_cap = hdmi_dv_timings_cap,
+};
+
 static const struct v4l2_subdev_ops hdmi_sd_ops = {
 	.core = &hdmi_sd_core_ops,
 	.video = &hdmi_sd_video_ops,