linux/drivers/media/usb/uvc/uvc_metadata.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *      uvc_metadata.c  --  USB Video Class driver - Metadata handling
 *
 *      Copyright (C) 2016
 *          Guennadi Liakhovetski ([email protected])
 */

#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/videodev2.h>

#include <media/v4l2-ioctl.h>
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-vmalloc.h>

#include "uvcvideo.h"

/* -----------------------------------------------------------------------------
 * V4L2 ioctls
 */

static int uvc_meta_v4l2_querycap(struct file *file, void *fh,
				  struct v4l2_capability *cap)
{ … }

static int uvc_meta_v4l2_get_format(struct file *file, void *fh,
				    struct v4l2_format *format)
{ … }

static int uvc_meta_v4l2_try_format(struct file *file, void *fh,
				    struct v4l2_format *format)
{ … }

static int uvc_meta_v4l2_set_format(struct file *file, void *fh,
				    struct v4l2_format *format)
{ … }

static int uvc_meta_v4l2_enum_formats(struct file *file, void *fh,
				      struct v4l2_fmtdesc *fdesc)
{ … }

static const struct v4l2_ioctl_ops uvc_meta_ioctl_ops = …;

/* -----------------------------------------------------------------------------
 * V4L2 File Operations
 */

static const struct v4l2_file_operations uvc_meta_fops = …;

int uvc_meta_register(struct uvc_streaming *stream)
{ … }