Orange Pi5 kernel

/* 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;
<------>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 */