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media: i2c: vgxy61: Report stream using frame descriptors

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Add support for .get_frame_desc() to report CSI-2 virtual channel
and data type information. This allows CSI-2 receivers to properly
interpret the stream without inferring the data type from the pixel
format.

Signed-off-by: Julien Massot <julien.massot@collabora.com>
Reviewed-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Julien Massot 2025-07-04 11:28:24 +02:00 committed by Hans Verkuil
parent 9db72db296
commit 5ae5074006
1 changed files with 16 additions and 0 deletions
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16
drivers/media/i2c/vgxy61.c
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@ -1181,6 +1181,21 @@ static int vgxy61_s_stream(struct v4l2_subdev *sd, int enable)
return ret;
}
static int vgxy61_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
struct v4l2_mbus_frame_desc *fd)
{
struct vgxy61_dev *sensor = to_vgxy61_dev(sd);
fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2;
fd->num_entries = 1;
fd->entry[0].pixelcode = sensor->fmt.code;
fd->entry[0].stream = 0;
fd->entry[0].bus.csi2.vc = 0;
fd->entry[0].bus.csi2.dt = get_data_type_by_code(sensor->fmt.code);
return 0;
}
static int vgxy61_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *format)
@ -1402,6 +1417,7 @@ static const struct v4l2_subdev_pad_ops vgxy61_pad_ops = {
.set_fmt = vgxy61_set_fmt,
.get_selection = vgxy61_get_selection,
.enum_frame_size = vgxy61_enum_frame_size,
.get_frame_desc = vgxy61_get_frame_desc,
};
static const struct v4l2_subdev_ops vgxy61_subdev_ops = {