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media: stm32-dcmi: add g/s_parm framerate support 

Add g/s_parm framerate support by calling subdev
g/s_frame_interval ops.
This allows user to control sensor framerate by
calling ioctl G/S_PARM.

Signed-off-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hugues Fruchet 2018-02-08 06:00:45 -05:00 committed by Mauro Carvalho Chehab
parent e0019f7101
commit aebd90aa32
1 changed files with 19 additions and 0 deletions
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19
drivers/media/platform/stm32/stm32-dcmi.c
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@ -1164,6 +1164,22 @@ static int dcmi_enum_framesizes(struct file *file, void *fh,
return 0;
}
static int dcmi_g_parm(struct file *file, void *priv,
struct v4l2_streamparm *p)
{
struct stm32_dcmi *dcmi = video_drvdata(file);
return v4l2_g_parm_cap(video_devdata(file), dcmi->entity.subdev, p);
}
static int dcmi_s_parm(struct file *file, void *priv,
struct v4l2_streamparm *p)
{
struct stm32_dcmi *dcmi = video_drvdata(file);
return v4l2_s_parm_cap(video_devdata(file), dcmi->entity.subdev, p);
}
static int dcmi_enum_frameintervals(struct file *file, void *fh,
struct v4l2_frmivalenum *fival)
{
@ -1266,6 +1282,9 @@ static const struct v4l2_ioctl_ops dcmi_ioctl_ops = {
.vidioc_g_input = dcmi_g_input,
.vidioc_s_input = dcmi_s_input,
.vidioc_g_parm = dcmi_g_parm,
.vidioc_s_parm = dcmi_s_parm,
.vidioc_enum_framesizes = dcmi_enum_framesizes,
.vidioc_enum_frameintervals = dcmi_enum_frameintervals,