38 строки
702 B
C
38 строки
702 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* u_midi.h
|
|
*
|
|
* Utility definitions for the midi function
|
|
*
|
|
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
|
|
* http://www.samsung.com
|
|
*
|
|
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
|
|
*/
|
|
|
|
#ifndef U_MIDI_H
|
|
#define U_MIDI_H
|
|
|
|
#include <linux/usb/composite.h>
|
|
|
|
struct f_midi_opts {
|
|
struct usb_function_instance func_inst;
|
|
int index;
|
|
char *id;
|
|
bool id_allocated;
|
|
unsigned int in_ports;
|
|
unsigned int out_ports;
|
|
unsigned int buflen;
|
|
unsigned int qlen;
|
|
|
|
/*
|
|
* Protect the data form concurrent access by read/write
|
|
* and create symlink/remove symlink.
|
|
*/
|
|
struct mutex lock;
|
|
int refcnt;
|
|
};
|
|
|
|
#endif /* U_MIDI_H */
|
|
|