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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-08-06 13:37:18 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-11 18:50:52 (GMT) |
| commit | 77747f7960986e6a2210a837e6c76a68145d0bf9 (patch) | |
| tree | edfd66526094f0d0912f32ace59c33e063ca4e61 | |
| parent | 0a3a8a36d9aae7ce08d5bd437ab670a78b327e5d (diff) | |
| download | linux-77747f7960986e6a2210a837e6c76a68145d0bf9.tar.xz | |
[media] vivi: add frame size reporting
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/video/vivi.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 463564f..cfa6a42 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -991,6 +991,27 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, return 0; } +static int vidioc_enum_framesizes(struct file *file, void *fh, + struct v4l2_frmsizeenum *fsize) +{ + static const struct v4l2_frmsize_stepwise sizes = { + 48, MAX_WIDTH, 4, + 32, MAX_HEIGHT, 1 + }; + int i; + + if (fsize->index) + return -EINVAL; + for (i = 0; i < ARRAY_SIZE(formats); i++) + if (formats[i].fourcc == fsize->pixel_format) + break; + if (i == ARRAY_SIZE(formats)) + return -EINVAL; + fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE; + fsize->stepwise = sizes; + return 0; +} + /* only one input in this sample driver */ static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *inp) @@ -1175,6 +1196,7 @@ static const struct v4l2_ioctl_ops vivi_ioctl_ops = { .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, + .vidioc_enum_framesizes = vidioc_enum_framesizes, .vidioc_reqbufs = vb2_ioctl_reqbufs, .vidioc_create_bufs = vb2_ioctl_create_bufs, .vidioc_prepare_buf = vb2_ioctl_prepare_buf, |