diff options
Diffstat (limited to 'drivers/usb/gadget/function/u_midi.h')
-rw-r--r-- | drivers/usb/gadget/function/u_midi.h | 40 |
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 | |||
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 | |||