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e2be04c7f9
Many user space API headers have licensing information, which is either
incomplete, badly formatted or just a shorthand for referring to the
license under which the file is supposed to be. This makes it hard for
compliance tools to determine the correct license.
Update these files with an SPDX license identifier. The identifier was
chosen based on the license information in the file.
GPL/LGPL licensed headers get the matching GPL/LGPL SPDX license
identifier with the added 'WITH Linux-syscall-note' exception, which is
the officially assigned exception identifier for the kernel syscall
exception:
NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
This exception makes it possible to include GPL headers into non GPL
code, without confusing license compliance tools.
Headers which have either explicit dual licensing or are just licensed
under a non GPL license are updated with the corresponding SPDX
identifier and the GPLv2 with syscall exception identifier. The format
is:
((GPL-2.0 WITH Linux-syscall-note) OR SPDX-ID-OF-OTHER-LICENSE)
SPDX license identifiers are a legally binding shorthand, which can be
used instead of the full boiler plate text. The update does not remove
existing license information as this has to be done on a case by case
basis and the copyright holders might have to be consulted. This will
happen in a separate step.
This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne. See the previous patch in this series for the
methodology of how this patch was researched.
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
182 lines
6.0 KiB
C
182 lines
6.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* V4L2 subdev userspace API
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*
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* Copyright (C) 2010 Nokia Corporation
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*
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* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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* Sakari Ailus <sakari.ailus@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __LINUX_V4L2_SUBDEV_H
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#define __LINUX_V4L2_SUBDEV_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#include <linux/v4l2-common.h>
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#include <linux/v4l2-mediabus.h>
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/**
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* enum v4l2_subdev_format_whence - Media bus format type
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* @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only
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* @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device
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*/
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enum v4l2_subdev_format_whence {
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V4L2_SUBDEV_FORMAT_TRY = 0,
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V4L2_SUBDEV_FORMAT_ACTIVE = 1,
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};
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/**
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* struct v4l2_subdev_format - Pad-level media bus format
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* @which: format type (from enum v4l2_subdev_format_whence)
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* @pad: pad number, as reported by the media API
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* @format: media bus format (format code and frame size)
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*/
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struct v4l2_subdev_format {
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__u32 which;
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__u32 pad;
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struct v4l2_mbus_framefmt format;
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__u32 reserved[8];
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};
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/**
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* struct v4l2_subdev_crop - Pad-level crop settings
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* @which: format type (from enum v4l2_subdev_format_whence)
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* @pad: pad number, as reported by the media API
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* @rect: pad crop rectangle boundaries
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*/
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struct v4l2_subdev_crop {
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__u32 which;
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__u32 pad;
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struct v4l2_rect rect;
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__u32 reserved[8];
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};
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/**
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* struct v4l2_subdev_mbus_code_enum - Media bus format enumeration
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* @pad: pad number, as reported by the media API
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* @index: format index during enumeration
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* @code: format code (MEDIA_BUS_FMT_ definitions)
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* @which: format type (from enum v4l2_subdev_format_whence)
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*/
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struct v4l2_subdev_mbus_code_enum {
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__u32 pad;
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__u32 index;
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__u32 code;
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__u32 which;
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__u32 reserved[8];
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};
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/**
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* struct v4l2_subdev_frame_size_enum - Media bus format enumeration
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* @pad: pad number, as reported by the media API
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* @index: format index during enumeration
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* @code: format code (MEDIA_BUS_FMT_ definitions)
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* @which: format type (from enum v4l2_subdev_format_whence)
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*/
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struct v4l2_subdev_frame_size_enum {
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__u32 index;
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__u32 pad;
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__u32 code;
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__u32 min_width;
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__u32 max_width;
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__u32 min_height;
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__u32 max_height;
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__u32 which;
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__u32 reserved[8];
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};
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/**
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* struct v4l2_subdev_frame_interval - Pad-level frame rate
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* @pad: pad number, as reported by the media API
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* @interval: frame interval in seconds
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*/
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struct v4l2_subdev_frame_interval {
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__u32 pad;
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struct v4l2_fract interval;
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__u32 reserved[9];
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};
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/**
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* struct v4l2_subdev_frame_interval_enum - Frame interval enumeration
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* @pad: pad number, as reported by the media API
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* @index: frame interval index during enumeration
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* @code: format code (MEDIA_BUS_FMT_ definitions)
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* @width: frame width in pixels
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* @height: frame height in pixels
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* @interval: frame interval in seconds
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* @which: format type (from enum v4l2_subdev_format_whence)
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*/
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struct v4l2_subdev_frame_interval_enum {
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__u32 index;
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__u32 pad;
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__u32 code;
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__u32 width;
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__u32 height;
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struct v4l2_fract interval;
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__u32 which;
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__u32 reserved[8];
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};
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/**
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* struct v4l2_subdev_selection - selection info
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*
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* @which: either V4L2_SUBDEV_FORMAT_ACTIVE or V4L2_SUBDEV_FORMAT_TRY
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* @pad: pad number, as reported by the media API
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* @target: Selection target, used to choose one of possible rectangles,
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* defined in v4l2-common.h; V4L2_SEL_TGT_* .
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* @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
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* @r: coordinates of the selection window
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* @reserved: for future use, set to zero for now
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*
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* Hardware may use multiple helper windows to process a video stream.
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* The structure is used to exchange this selection areas between
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* an application and a driver.
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*/
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struct v4l2_subdev_selection {
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__u32 which;
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__u32 pad;
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__u32 target;
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__u32 flags;
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struct v4l2_rect r;
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__u32 reserved[8];
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};
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/* Backwards compatibility define --- to be removed */
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#define v4l2_subdev_edid v4l2_edid
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#define VIDIOC_SUBDEV_G_FMT _IOWR('V', 4, struct v4l2_subdev_format)
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#define VIDIOC_SUBDEV_S_FMT _IOWR('V', 5, struct v4l2_subdev_format)
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#define VIDIOC_SUBDEV_G_FRAME_INTERVAL _IOWR('V', 21, struct v4l2_subdev_frame_interval)
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#define VIDIOC_SUBDEV_S_FRAME_INTERVAL _IOWR('V', 22, struct v4l2_subdev_frame_interval)
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#define VIDIOC_SUBDEV_ENUM_MBUS_CODE _IOWR('V', 2, struct v4l2_subdev_mbus_code_enum)
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#define VIDIOC_SUBDEV_ENUM_FRAME_SIZE _IOWR('V', 74, struct v4l2_subdev_frame_size_enum)
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#define VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL _IOWR('V', 75, struct v4l2_subdev_frame_interval_enum)
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#define VIDIOC_SUBDEV_G_CROP _IOWR('V', 59, struct v4l2_subdev_crop)
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#define VIDIOC_SUBDEV_S_CROP _IOWR('V', 60, struct v4l2_subdev_crop)
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#define VIDIOC_SUBDEV_G_SELECTION _IOWR('V', 61, struct v4l2_subdev_selection)
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#define VIDIOC_SUBDEV_S_SELECTION _IOWR('V', 62, struct v4l2_subdev_selection)
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/* The following ioctls are identical to the ioctls in videodev2.h */
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#define VIDIOC_SUBDEV_G_EDID _IOWR('V', 40, struct v4l2_edid)
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#define VIDIOC_SUBDEV_S_EDID _IOWR('V', 41, struct v4l2_edid)
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#define VIDIOC_SUBDEV_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
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#define VIDIOC_SUBDEV_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
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#define VIDIOC_SUBDEV_ENUM_DV_TIMINGS _IOWR('V', 98, struct v4l2_enum_dv_timings)
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#define VIDIOC_SUBDEV_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
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#define VIDIOC_SUBDEV_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
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#endif
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