| // 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 */ | |