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media: rockchip: hdmirx: add VIDIOC_G_PARM #139

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media: rockchip: hdmirx: add VIDIOC_G_PARM #139

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18 changes: 18 additions & 0 deletions drivers/media/platform/rockchip/hdmirx/rk_hdmirx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1625,6 +1625,23 @@ static int hdmirx_s_input(struct file *file, void *priv, unsigned int i)
return i == 0 ? 0 : -EINVAL;
}

static int hdmirx_g_parm(struct file *file, void *priv,
struct v4l2_streamparm *parm)
{
struct hdmirx_stream *stream = video_drvdata(file);
struct rk_hdmirx_dev *hdmirx_dev = stream->hdmirx_dev;
struct v4l2_fract fps;

if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE)
return -EINVAL;

fps = v4l2_calc_timeperframe(&hdmirx_dev->timings);
parm->parm.capture.timeperframe.numerator = fps.numerator;
parm->parm.capture.timeperframe.denominator = fps.denominator;

return 0;
}

static int fcc_xysubs(u32 fcc, u32 *xsubs, u32 *ysubs)
{
/* Note: cbcr plane bpp is 16 bit */
Expand Down Expand Up @@ -2295,6 +2312,7 @@ static const struct v4l2_ioctl_ops hdmirx_v4l2_ioctl_ops = {
.vidioc_s_input = hdmirx_s_input,
.vidioc_g_edid = hdmirx_get_edid,
.vidioc_s_edid = hdmirx_set_edid,
.vidioc_g_parm = hdmirx_g_parm,

.vidioc_reqbufs = vb2_ioctl_reqbufs,
.vidioc_querybuf = vb2_ioctl_querybuf,
Expand Down