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/usr/src/linux-aws-headers-4.15.0-1057/include/linux/usb/audio.h
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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 */
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