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[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>
This commit is contained in:
Ulrich Hecht 2015-12-22 12:22:01 -02:00 committed by Mauro Carvalho Chehab
parent fcae73fac1
commit b7d4d2f8d8
1 changed files with 21 additions and 0 deletions
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21
drivers/media/i2c/adv7604.c
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@ -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,