2 * <linux/usb/audio.h> -- USB Audio definitions.
4 * Copyright (C) 2006 Thumtronics Pty Ltd.
5 * Developed for Thumtronics by Grey Innovation
6 * Ben Williamson <ben.williamson@greyinnovation.com>
8 * This software is distributed under the terms of the GNU General Public
9 * License ("GPL") version 2, as published by the Free Software Foundation.
11 * This file holds USB constants and structures defined
12 * by the USB Device Class Definition for Audio Devices.
13 * Comments below reference relevant sections of that document:
15 * http://www.usb.org/developers/devclass_docs/audio10.pdf
17 * Types and defines in this file are either specific to version 1.0 of
18 * this standard or common for newer versions.
20 #ifndef __LINUX_USB_AUDIO_H
21 #define __LINUX_USB_AUDIO_H
23 #include <uapi/linux/usb/audio.h>
26 struct usb_audio_control
{
27 struct list_head list
;
31 int (*set
)(struct usb_audio_control
*con
, u8 cmd
, int value
);
32 int (*get
)(struct usb_audio_control
*con
, u8 cmd
);
35 struct usb_audio_control_selector
{
36 struct list_head list
;
37 struct list_head control
;
41 struct usb_descriptor_header
*desc
;
44 #endif /* __LINUX_USB_AUDIO_H */