include/media/v4l2-ctrls.h

29  * union v4l2_ctrl_ptr - A pointer to a control value.
30  * @p_s32:			Pointer to a 32-bit signed value.
31  * @p_s64:			Pointer to a 64-bit signed value.
32  * @p_u8:			Pointer to a 8-bit unsigned value.
33  * @p_u16:			Pointer to a 16-bit unsigned value.
34  * @p_u32:			Pointer to a 32-bit unsigned value.
35  * @p_char:			Pointer to a string.
36  * @p_mpeg2_sequence:		Pointer to a MPEG2 sequence structure.
37  * @p_mpeg2_picture:		Pointer to a MPEG2 picture structure.
38  * @p_mpeg2_quantisation:	Pointer to a MPEG2 quantisation data structure.
39  * @p_fwht_params:		Pointer to a FWHT stateless parameters structure.
40  * @p_h264_sps:			Pointer to a struct v4l2_ctrl_h264_sps.
41  * @p_h264_pps:			Pointer to a struct v4l2_ctrl_h264_pps.
42  * @p_h264_scaling_matrix:	Pointer to a struct v4l2_ctrl_h264_scaling_matrix.
43  * @p_h264_slice_params:	Pointer to a struct v4l2_ctrl_h264_slice_params.
44  * @p_h264_decode_params:	Pointer to a struct v4l2_ctrl_h264_decode_params.
45  * @p_h264_pred_weights:	Pointer to a struct v4l2_ctrl_h264_pred_weights.
46  * @p_vp8_frame:		Pointer to a VP8 frame params structure.
47  * @p_vp9_compressed_hdr_probs:	Pointer to a VP9 frame compressed header probs structure.
48  * @p_vp9_frame:		Pointer to a VP9 frame params structure.
49  * @p_hevc_sps:			Pointer to an HEVC sequence parameter set structure.
50  * @p_hevc_pps:			Pointer to an HEVC picture parameter set structure.
51  * @p_hevc_slice_params:	Pointer to an HEVC slice parameters structure.
52  * @p_hdr10_cll:		Pointer to an HDR10 Content Light Level structure.
53  * @p_hdr10_mastering:		Pointer to an HDR10 Mastering Display structure.
54  * @p_area:			Pointer to an area.
55  * @p_av1_sequence:		Pointer to an AV1 sequence structure.
56  * @p_av1_tile_group_entry:	Pointer to an AV1 tile group entry structure.
57  * @p_av1_frame:		Pointer to an AV1 frame structure.
58  * @p_av1_film_grain:		Pointer to an AV1 film grain structure.
59  * @p_rect:			Pointer to a rectangle.
60  * @p:				Pointer to a compound value.
61  * @p_const:			Pointer to a constant compound value.
100  * void pointer
101  * @ptr:	The void pointer
159  * @ctrl: pointer to struct &v4l2_ctrl
239  * @priv:	The control's private pointer. For use by the driver. It is
240  *		untouched by the control framework. Note that this pointer is
243  *		to free this pointer.
244  * @p_array:	Pointer to the allocated array. Only valid if @is_array is true.
255  *		through a pointer (for compound controls only).
258  *		through a pointer (for compound controls only).
261  *		through a pointer (for compound controls only).
264  *		through a pointer.
267  *		through a pointer.
333  * @helper:	Pointer to helper struct. Used internally in
362  * keep a sorted-by-control-ID list of all controls, while the next pointer
488  * @name: pointer to be filled with a string with the name of the control
489  * @type: pointer for storing the type of the control
490  * @min: pointer for storing the minimum value for the control
491  * @max: pointer for storing the maximum value for the control
492  * @step: pointer for storing the control step
493  * @def: pointer for storing the default value for the control
494  * @flags: pointer for storing the flags to be used on the control
749  * to convert a pointer to a const union v4l2_ctrl_ptr.
789  * @ctrl: pointer to struct &v4l2_ctrl.
805  * Does nothing if either of the two handlers is a NULL pointer.
1292  * @old: pointer to struct &v4l2_event with the reported
1294  * @new: pointer to struct &v4l2_event with the modified
1303  * @old: pointer to struct &v4l2_event with the reported
1305  * @new: pointer to struct &v4l2_event with the merged
1313  * @file: pointer to struct file
1326  * @fh: pointer to struct v4l2_fh
1327  * @sub: pointer to &struct v4l2_event_subscription
1339  * @file: pointer to struct file
1340  * @wait: pointer to struct poll_table_struct
1383  * with the returned handler pointer.
1416  * This function returns a pointer to the control if this control is
1428  * @hdl: pointer to &struct v4l2_ctrl_handler
1429  * @qc: pointer to &struct v4l2_queryctrl
1451  * @hdl: pointer to &struct v4l2_ctrl_handler
1452  * @qc: pointer to &struct v4l2_query_ext_ctrl
1463  * @hdl: pointer to &struct v4l2_ctrl_handler
1464  * @qm: pointer to &struct v4l2_querymenu
1474  * @hdl: pointer to &struct v4l2_ctrl_handler
1475  * @ctrl: pointer to &struct v4l2_control
1485  * @fh: pointer to &struct v4l2_fh
1486  * @hdl: pointer to &struct v4l2_ctrl_handler
1488  * @ctrl: pointer to &struct v4l2_control
1499  * @hdl: pointer to &struct v4l2_ctrl_handler
1500  * @vdev: pointer to &struct video_device
1501  * @mdev: pointer to &struct media_device
1502  * @c: pointer to &struct v4l2_ext_controls
1513  * @hdl: pointer to &struct v4l2_ctrl_handler
1514  * @vdev: pointer to &struct video_device
1515  * @mdev: pointer to &struct media_device
1516  * @c: pointer to &struct v4l2_ext_controls
1529  * @fh: pointer to &struct v4l2_fh
1530  * @hdl: pointer to &struct v4l2_ctrl_handler
1531  * @vdev: pointer to &struct video_device
1532  * @mdev: pointer to &struct media_device
1533  * @c: pointer to &struct v4l2_ext_controls
1547  * @sd: pointer to &struct v4l2_subdev
1548  * @fh: pointer to &struct v4l2_fh
1549  * @sub: pointer to &struct v4l2_event_subscription
1558  * @sd: pointer to &struct v4l2_subdev
1566  * @hdl: pointer to &struct v4l2_ctrl_handler to register controls on
1567  * @ctrl_ops: pointer to &struct v4l2_ctrl_ops to register controls with
1568  * @p: pointer to &struct v4l2_fwnode_device_properties
1591  * @ctrl: The v4l2_ctrl pointer.
1603  * @ctrl: The v4l2_ctrl pointer.
1615  * @ctrl: The v4l2_ctrl pointer.
1624  * @ctrl: The v4l2_ctrl pointer.