| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * u_midi.h |
| 3 | * |
| 4 | * Utility definitions for the midi function |
| 5 | * |
| 6 | * Copyright (c) 2014 Samsung Electronics Co., Ltd. |
| 7 | * http://www.samsung.com |
| 8 | * |
| 9 | * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> |
| 10 | * |
| 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. |
| 14 | */ |
| 15 | |
| 16 | #ifndef U_MIDI_H |
| 17 | #define U_MIDI_H |
| 18 | |
| 19 | #include <linux/usb/composite.h> |
| 20 | |
| 21 | struct f_midi_opts { |
| 22 | struct usb_function_instance func_inst; |
| 23 | int index; |
| 24 | char *id; |
| 25 | bool id_allocated; |
| 26 | unsigned int in_ports; |
| 27 | unsigned int out_ports; |
| 28 | unsigned int buflen; |
| 29 | unsigned int qlen; |
| 30 | |
| 31 | /* |
| 32 | * Protect the data form concurrent access by read/write |
| 33 | * and create symlink/remove symlink. |
| 34 | */ |
| 35 | struct mutex lock; |
| 36 | int refcnt; |
| 37 | }; |
| 38 | |
| 39 | #endif /* U_MIDI_H */ |
| 40 | |