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b26394bd AP |
1 | /* |
2 | * u_printer.h | |
3 | * | |
4 | * Utility definitions for the printer function | |
5 | * | |
6 | * Copyright (c) 2015 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_PRINTER_H | |
17 | #define U_PRINTER_H | |
18 | ||
19 | #include <linux/usb/composite.h> | |
20 | ||
21 | #define PNP_STRING_LEN 1024 | |
22 | ||
23 | struct f_printer_opts { | |
24 | struct usb_function_instance func_inst; | |
25 | int minor; | |
26 | char pnp_string[PNP_STRING_LEN]; | |
27 | unsigned q_len; | |
ee1cd515 AP |
28 | |
29 | /* | |
30 | * Protect the data from concurrent access by read/write | |
31 | * and create symlink/remove symlink | |
32 | */ | |
33 | struct mutex lock; | |
34 | int refcnt; | |
b26394bd AP |
35 | }; |
36 | ||
37 | #endif /* U_PRINTER_H */ |