Commit 8293b3ee authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
Browse files

media: imx-pxp: Implement frame size enumeration



Implement support for the VIDIOC_ENUM_FRAMESIZES ioctl.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarMichael Tretter <m.tretter@pengutronix.de>
Reviewed-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 8b57a21a
Loading
Loading
Loading
Loading
+22 −0
Original line number Diff line number Diff line
@@ -1379,6 +1379,26 @@ static int pxp_s_fmt_vid_out(struct file *file, void *priv,
	return 0;
}

static int pxp_enum_framesizes(struct file *file, void *fh,
			       struct v4l2_frmsizeenum *fsize)
{
	if (fsize->index > 0)
		return -EINVAL;

	if (!find_format(fsize->pixel_format))
		return -EINVAL;

	fsize->type = V4L2_FRMSIZE_TYPE_STEPWISE;
	fsize->stepwise.min_width = MIN_W;
	fsize->stepwise.max_width = MAX_W;
	fsize->stepwise.step_width = 1 << ALIGN_W;
	fsize->stepwise.min_height = MIN_H;
	fsize->stepwise.max_height = MAX_H;
	fsize->stepwise.step_height = 1 << ALIGN_H;

	return 0;
}

static u8 pxp_degrees_to_rot_mode(u32 degrees)
{
	switch (degrees) {
@@ -1447,6 +1467,8 @@ static const struct v4l2_ioctl_ops pxp_ioctl_ops = {
	.vidioc_try_fmt_vid_out	= pxp_try_fmt_vid_out,
	.vidioc_s_fmt_vid_out	= pxp_s_fmt_vid_out,

	.vidioc_enum_framesizes	= pxp_enum_framesizes,

	.vidioc_reqbufs		= v4l2_m2m_ioctl_reqbufs,
	.vidioc_querybuf	= v4l2_m2m_ioctl_querybuf,
	.vidioc_qbuf		= v4l2_m2m_ioctl_qbuf,