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Diffstat (limited to 'include/linux/usb/audio.h')
| -rw-r--r-- | include/linux/usb/audio.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h new file mode 100644 index 000000000..170acd500 --- /dev/null +++ b/include/linux/usb/audio.h @@ -0,0 +1,45 @@ +// 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 */ |