[media] adv7842: 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>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c
index 6a4d389c749c..56b8ec95d934 100644
--- a/drivers/media/i2c/adv7842.c
+++ b/drivers/media/i2c/adv7842.c
@@ -1399,6 +1399,9 @@ static int read_stdi(struct v4l2_subdev *sd, struct stdi_readback *stdi)
 static int adv7842_enum_dv_timings(struct v4l2_subdev *sd,
                                    struct v4l2_enum_dv_timings *timings)
 {
+        if (timings->pad != 0)
+                return -EINVAL;
+
         return v4l2_enum_dv_timings_cap(timings,
                 adv7842_get_dv_timings_cap(sd), adv7842_check_dv_timings, NULL);
 }
@@ -1406,6 +1409,9 @@ static int adv7842_enum_dv_timings(struct v4l2_subdev *sd,
 static int adv7842_dv_timings_cap(struct v4l2_subdev *sd,
                                   struct v4l2_dv_timings_cap *cap)
 {
+        if (cap->pad != 0)
+                return -EINVAL;
+
         *cap = *adv7842_get_dv_timings_cap(sd);
         return 0;
 }
@@ -2901,6 +2907,8 @@ static const struct v4l2_subdev_video_ops adv7842_video_ops = {
 static const struct v4l2_subdev_pad_ops adv7842_pad_ops = {
         .get_edid = adv7842_get_edid,
         .set_edid = adv7842_set_edid,
+        .enum_dv_timings = adv7842_enum_dv_timings,
+        .dv_timings_cap = adv7842_dv_timings_cap,
 };
 
 static const struct v4l2_subdev_ops adv7842_ops = {