aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/gadget/function/u_midi.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget/function/u_midi.h')
-rw-r--r--drivers/usb/gadget/function/u_midi.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/u_midi.h b/drivers/usb/gadget/function/u_midi.h
new file mode 100644
index 000000000000..22510189758e
--- /dev/null
+++ b/drivers/usb/gadget/function/u_midi.h
@@ -0,0 +1,40 @@
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
21struct 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