FM / usb

/usr/include/linux/usb

Name	Size	Mode	Actions
audio.h	19489	0644	edit dl rm
cdc-wdm.h	739	0644	edit dl rm
cdc.h	13475	0644	edit dl rm
ch9.h	40171	0644	edit dl rm
ch11.h	9046	0644	edit dl rm
charger.h	598	0644	edit dl rm
functionfs.h	16655	0644	edit dl rm
gadgetfs.h	2826	0644	edit dl rm
g_hid.h	1251	0644	edit dl rm
g_printer.h	1385	0644	edit dl rm
g_uvc.h	1169	0644	edit dl rm
midi.h	3434	0644	edit dl rm
raw_gadget.h	8577	0644	edit dl rm
tmc.h	4854	0644	edit dl rm
video.h	17295	0644	edit dl rm

Edit: /usr/include/linux/usb/g_uvc.h (1169B)

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * g_uvc.h  --  USB Video Class Gadget driver API
 *
 * Copyright (C) 2009-2010 Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 */

#ifndef __LINUX_USB_G_UVC_H
#define __LINUX_USB_G_UVC_H

#include <linux/ioctl.h>
#include <linux/types.h>
#include <linux/usb/ch9.h>

#define UVC_EVENT_FIRST			(V4L2_EVENT_PRIVATE_START + 0)
#define UVC_EVENT_CONNECT		(V4L2_EVENT_PRIVATE_START + 0)
#define UVC_EVENT_DISCONNECT		(V4L2_EVENT_PRIVATE_START + 1)
#define UVC_EVENT_STREAMON		(V4L2_EVENT_PRIVATE_START + 2)
#define UVC_EVENT_STREAMOFF		(V4L2_EVENT_PRIVATE_START + 3)
#define UVC_EVENT_SETUP			(V4L2_EVENT_PRIVATE_START + 4)
#define UVC_EVENT_DATA			(V4L2_EVENT_PRIVATE_START + 5)
#define UVC_EVENT_LAST			(V4L2_EVENT_PRIVATE_START + 5)

#define UVC_STRING_CONTROL_IDX			0
#define UVC_STRING_STREAMING_IDX		1

struct uvc_request_data {
	__s32 length;
	__u8 data[60];
};

struct uvc_event {
	union {
		enum usb_device_speed speed;
		struct usb_ctrlrequest req;
		struct uvc_request_data data;
	};
};

#define UVCIOC_SEND_RESPONSE		_IOW('U', 1, struct uvc_request_data)

#endif /* __LINUX_USB_G_UVC_H */

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