[media] v4l: v4l2_subdev userspace crop API
This patch adds the VIDIOC_SUBDEV_S_CROP and G_CROP ioctls to the
userland API. CROPCAP is not implemented because it's redundant.
Signed-off-by: Antti Koskipaa <akoskipa@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c
index a4a1256..6e76f73 100644
--- a/drivers/media/video/v4l2-subdev.c
+++ b/drivers/media/video/v4l2-subdev.c
@@ -213,6 +213,32 @@
return v4l2_subdev_call(sd, pad, set_fmt, subdev_fh, format);
}
+ case VIDIOC_SUBDEV_G_CROP: {
+ struct v4l2_subdev_crop *crop = arg;
+
+ if (crop->which != V4L2_SUBDEV_FORMAT_TRY &&
+ crop->which != V4L2_SUBDEV_FORMAT_ACTIVE)
+ return -EINVAL;
+
+ if (crop->pad >= sd->entity.num_pads)
+ return -EINVAL;
+
+ return v4l2_subdev_call(sd, pad, get_crop, subdev_fh, crop);
+ }
+
+ case VIDIOC_SUBDEV_S_CROP: {
+ struct v4l2_subdev_crop *crop = arg;
+
+ if (crop->which != V4L2_SUBDEV_FORMAT_TRY &&
+ crop->which != V4L2_SUBDEV_FORMAT_ACTIVE)
+ return -EINVAL;
+
+ if (crop->pad >= sd->entity.num_pads)
+ return -EINVAL;
+
+ return v4l2_subdev_call(sd, pad, set_crop, subdev_fh, crop);
+ }
+
case VIDIOC_SUBDEV_ENUM_MBUS_CODE: {
struct v4l2_subdev_mbus_code_enum *code = arg;