From: Hans Verkuil <hans.verk...@cisco.com>
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.verk...@cisco.com>
---
drivers/media/pci/cobalt/cobalt-v4l2.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/media/pci/cobalt/cobalt-v4l2.c
b/drivers/media/pci/cobalt/cobalt-v4l2.c
index 5c76637..3fea246 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,
--
2.8.1
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