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37 lines
707 B
37 lines
707 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* u_midi.h |
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* |
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* Utility definitions for the midi function |
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* |
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* Copyright (c) 2014 Samsung Electronics Co., Ltd. |
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* http://www.samsung.com |
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* |
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* Author: Andrzej Pietrasiewicz <[email protected]> |
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*/ |
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#ifndef U_MIDI_H |
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#define U_MIDI_H |
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#include <linux/usb/composite.h> |
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struct f_midi_opts { |
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struct usb_function_instance func_inst; |
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int index; |
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char *id; |
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bool id_allocated; |
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unsigned int in_ports; |
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unsigned int out_ports; |
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unsigned int buflen; |
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unsigned int qlen; |
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/* |
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* Protect the data form concurrent access by read/write |
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* and create symlink/remove symlink. |
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*/ |
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struct mutex lock; |
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int refcnt; |
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}; |
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#endif /* U_MIDI_H */ |
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