diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2016-07-17 11:42:07 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-11-16 20:20:49 +0300 |
| commit | d736e348a0bcf25972c23d743821b91d3694e328 (patch) | |
| tree | 0c28e5223487085b29728853d7b90d060c7345fb /drivers/media/pci/cobalt | |
| parent | 652430763f9f48af0fea83ef9a6fecf7680d9210 (diff) | |
| download | linux-d736e348a0bcf25972c23d743821b91d3694e328.tar.xz | |
[media] cobalt: add cropcap support
Now that the timings contain picture aspect ratio information,
we can support cropcap to return the pixel aspect ratio.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/pci/cobalt')
| -rw-r--r-- | drivers/media/pci/cobalt/cobalt-v4l2.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/media/pci/cobalt/cobalt-v4l2.c b/drivers/media/pci/cobalt/cobalt-v4l2.c index 5c76637900d0..3fea24613059 100644 --- a/drivers/media/pci/cobalt/cobalt-v4l2.c +++ b/drivers/media/pci/cobalt/cobalt-v4l2.c @@ -1084,12 +1084,33 @@ static int cobalt_g_parm(struct file *file, void *fh, struct v4l2_streamparm *a) return 0; } +static int cobalt_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cc) +{ + struct cobalt_stream *s = video_drvdata(file); + struct v4l2_dv_timings timings; + int err = 0; + + if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + return -EINVAL; + if (s->input == 1) + timings = cea1080p60; + else + err = v4l2_subdev_call(s->sd, video, g_dv_timings, &timings); + if (!err) { + cc->bounds.width = cc->defrect.width = timings.bt.width; + cc->bounds.height = cc->defrect.height = timings.bt.height; + cc->pixelaspect = v4l2_dv_timings_aspect_ratio(&timings); + } + return err; +} + static const struct v4l2_ioctl_ops cobalt_ioctl_ops = { .vidioc_querycap = cobalt_querycap, .vidioc_g_parm = cobalt_g_parm, .vidioc_log_status = cobalt_log_status, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, + .vidioc_cropcap = cobalt_cropcap, .vidioc_enum_input = cobalt_enum_input, .vidioc_g_input = cobalt_g_input, .vidioc_s_input = cobalt_s_input, |