[media] media: adv7604: implement get_selection

The rcar_vin driver relies on this.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c
index f8dd750..5d4dbd0 100644 (file)
--- a/drivers/media/i2c/adv7604.c
+++ b/drivers/media/i2c/adv7604.c
@@ -1884,6 +1884,26 @@ static int adv76xx_get_format(struct v4l2_subdev *sd,
        return 0;
 }
 
+static int adv76xx_get_selection(struct v4l2_subdev *sd,
+                                struct v4l2_subdev_pad_config *cfg,
+                                struct v4l2_subdev_selection *sel)
+{
+       struct adv76xx_state *state = to_state(sd);
+
+       if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
+               return -EINVAL;
+       /* Only CROP, CROP_DEFAULT and CROP_BOUNDS are supported */
+       if (sel->target > V4L2_SEL_TGT_CROP_BOUNDS)
+               return -EINVAL;
+
+       sel->r.left     = 0;
+       sel->r.top      = 0;
+       sel->r.width    = state->timings.bt.width;
+       sel->r.height   = state->timings.bt.height;
+
+       return 0;
+}
+
 static int adv76xx_set_format(struct v4l2_subdev *sd,
                              struct v4l2_subdev_pad_config *cfg,
                              struct v4l2_subdev_format *format)
@@ -2404,6 +2424,7 @@ static const struct v4l2_subdev_video_ops adv76xx_video_ops = {
 
 static const struct v4l2_subdev_pad_ops adv76xx_pad_ops = {
        .enum_mbus_code = adv76xx_enum_mbus_code,
+       .get_selection = adv76xx_get_selection,
        .get_fmt = adv76xx_get_format,
        .set_fmt = adv76xx_set_format,
        .get_edid = adv76xx_get_edid,