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- // 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 <andrzej.p@samsung.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 */
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