[media] v4l2_subdev: describe ioctl parms at v4l2_subdev_video_ops (914728ab) · Commits · 戴 / test

include/media/v4l2-subdev.h

+24 −2

Original line number	Diff line number	Diff line
		@@ -318,12 +318,18 @@ struct v4l2_mbus_frame_desc {
		* regarding clock frequency dividers, etc. If not used, then set flags
		* to 0. If the frequency is not supported, then -EINVAL is returned.
		*
		* @g_std: callback for VIDIOC_G_STD ioctl handler code.
		*
		* @s_std: callback for VIDIOC_S_STD ioctl handler code.
		*
		* @s_std_output: set v4l2_std_id for video OUTPUT devices. This is ignored by
		* video input devices.
		*
		* @g_std_output: get current standard for video OUTPUT devices. This is ignored
		* by video input devices.
		*
		* @querystd: callback for VIDIOC_QUERYSTD ioctl handler code.
		*
		* @g_tvnorms: get v4l2_std_id with all standards supported by the video
		* CAPTURE device. This is ignored by video output devices.
		*
		@@ -333,11 +339,27 @@ struct v4l2_mbus_frame_desc {
		* @g_input_status: get input status. Same as the status field in the v4l2_input
		* struct.
		*
		* @s_dv_timings(): Set custom dv timings in the sub device. This is used
		* @cropcap: callback for VIDIOC_CROPCAP ioctl handler code.
		*
		* @g_crop: callback for VIDIOC_G_CROP ioctl handler code.
		*
		* @s_crop: callback for VIDIOC_S_CROP ioctl handler code.
		*
		* @g_parm: callback for VIDIOC_G_PARM ioctl handler code.
		*
		* @s_parm: callback for VIDIOC_S_PARM ioctl handler code.
		*
		* @g_frame_interval: callback for VIDIOC_G_FRAMEINTERVAL ioctl handler code.
		*
		* @s_frame_interval: callback for VIDIOC_S_FRAMEINTERVAL ioctl handler code.
		*
		* @s_dv_timings: Set custom dv timings in the sub device. This is used
		* when sub device is capable of setting detailed timing information
		* in the hardware to generate/detect the video signal.
		*
		* @g_dv_timings(): Get custom dv timings in the sub device.
		* @g_dv_timings: Get custom dv timings in the sub device.
		*
		* @query_dv_timings: callback for VIDIOC_QUERY_DV_TIMINGS ioctl handler code.
		*
		* @g_mbus_config: get supported mediabus configurations
		*

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