root/drivers/usb/gadget/function/u_midi.h
/* 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 <andrzejtp2010@gmail.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;
        char                            *interface_string;
        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 */