4 * Utility definitions for the midi function
6 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 * http://www.samsung.com
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
19 #include <linux/usb/composite.h>
22 struct usb_function_instance func_inst;
26 unsigned int in_ports;
27 unsigned int out_ports;
32 * Protect the data form concurrent access by read/write
33 * and create symlink/remove symlink.