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5fd54ace | 1 | // SPDX-License-Identifier: GPL-2.0 |
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2 | /* |
3 | * <linux/usb/audio.h> -- USB Audio definitions. | |
4 | * | |
5 | * Copyright (C) 2006 Thumtronics Pty Ltd. | |
6 | * Developed for Thumtronics by Grey Innovation | |
7 | * Ben Williamson <ben.williamson@greyinnovation.com> | |
8 | * | |
9 | * This software is distributed under the terms of the GNU General Public | |
10 | * License ("GPL") version 2, as published by the Free Software Foundation. | |
11 | * | |
12 | * This file holds USB constants and structures defined | |
13 | * by the USB Device Class Definition for Audio Devices. | |
14 | * Comments below reference relevant sections of that document: | |
15 | * | |
16 | * http://www.usb.org/developers/devclass_docs/audio10.pdf | |
7e847894 DM |
17 | * |
18 | * Types and defines in this file are either specific to version 1.0 of | |
19 | * this standard or common for newer versions. | |
f2ebf92c | 20 | */ |
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21 | #ifndef __LINUX_USB_AUDIO_H |
22 | #define __LINUX_USB_AUDIO_H | |
23 | ||
5e1ddb48 | 24 | #include <uapi/linux/usb/audio.h> |
99fc8645 | 25 | |
c3501308 | 26 | |
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27 | struct usb_audio_control { |
28 | struct list_head list; | |
29 | const char *name; | |
30 | u8 type; | |
31 | int data[5]; | |
32 | int (*set)(struct usb_audio_control *con, u8 cmd, int value); | |
33 | int (*get)(struct usb_audio_control *con, u8 cmd); | |
34 | }; | |
35 | ||
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36 | struct usb_audio_control_selector { |
37 | struct list_head list; | |
38 | struct list_head control; | |
39 | u8 id; | |
40 | const char *name; | |
41 | u8 type; | |
42 | struct usb_descriptor_header *desc; | |
43 | }; | |
44 | ||
dda43a0e | 45 | #endif /* __LINUX_USB_AUDIO_H */ |