[media] vivi: add frame size reporting
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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 @@
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 @@
.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,