Commit
e5b6b07a1b45 ("media: v4l2: Extend VIDIOC_ENUM_FMT to support
MC-centric devices") added support to enumerate formats based on
mbus-code.
Add this feature to cal driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
static int cal_mc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
+ unsigned int i;
+ unsigned int idx;
+
if (f->index >= cal_num_formats)
return -EINVAL;
- f->pixelformat = cal_formats[f->index].fourcc;
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ idx = 0;
- return 0;
+ for (i = 0; i < cal_num_formats; ++i) {
+ if (f->mbus_code && cal_formats[i].code != f->mbus_code)
+ continue;
+
+ if (idx == f->index) {
+ f->pixelformat = cal_formats[i].fourcc;
+ f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ return 0;
+ }
+
+ idx++;
+ }
+
+ return -EINVAL;
}
static void cal_mc_try_fmt(struct cal_ctx *ctx, struct v4l2_format *f,