media: imx-pxp: Implement frame size enumeration

Implement support for the VIDIOC_ENUM_FRAMESIZES ioctl.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Laurent Pinchart 2023-01-13 10:54:19 +01:00 committed by Mauro Carvalho Chehab
parent 8b57a21a77
commit 8293b3ee24
1 changed files with 22 additions and 0 deletions

View File

@ -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,