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// SPDX-License-Identifier: GPL-2.0
/*
* <linux/usb/audio.h> -- USB Audio definitions.
*
* Copyright (C) 2006 Thumtronics Pty Ltd.
* Developed for Thumtronics by Grey Innovation
* Ben Williamson <ben.williamson@greyinnovation.com>
*
* This software is distributed under the terms of the GNU General Public
* License ("GPL") version 2, as published by the Free Software Foundation.
*
* This file holds USB constants and structures defined
* by the USB Device Class Definition for Audio Devices.
* Comments below reference relevant sections of that document:
*
* http://www.usb.org/developers/devclass_docs/audio10.pdf
*
* Types and defines in this file are either specific to version 1.0 of
* this standard or common for newer versions.
*/
#ifndef __LINUX_USB_AUDIO_H
#define __LINUX_USB_AUDIO_H
#include <uapi/linux/usb/audio.h>
struct usb_audio_control {
struct list_head list;
const char *name;
u8 type;
int data[5];
int (*set)(struct usb_audio_control *con, u8 cmd, int value);
int (*get)(struct usb_audio_control *con, u8 cmd);
};
struct usb_audio_control_selector {
struct list_head list;
struct list_head control;
u8 id;
const char *name;
u8 type;
struct usb_descriptor_header *desc;
};
#endif /* __LINUX_USB_AUDIO_H */