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authorAntti Koskipaa <akoskipa@gmail.com>2010-06-23 12:03:42 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-03-22 10:53:33 +0300
commitf6a5cb1be894468cdc69ec557d47f40c28f64642 (patch)
tree57518c84f343f0205a568c5333f5b5ead7c38ff8 /drivers/media/video/v4l2-subdev.c
parent35c3017a29d278c4405a7f3ab30b814999d156d3 (diff)
downloadlinux-f6a5cb1be894468cdc69ec557d47f40c28f64642.tar.xz
[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>
Diffstat (limited to 'drivers/media/video/v4l2-subdev.c')
-rw-r--r--drivers/media/video/v4l2-subdev.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c
index a4a12563ec3c..6e76f734c780 100644
--- a/drivers/media/video/v4l2-subdev.c
+++ b/drivers/media/video/v4l2-subdev.c
@@ -213,6 +213,32 @@ static long subdev_do_ioctl(struct file *file, unsigned int cmd, void *arg)
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;