Andrzej Pietrasiewicz | b26394b | 2015-03-03 10:52:28 +0100 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | ee1cd51 | 2015-03-03 10:52:32 +0100 | [diff] [blame] | 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; |
Andrzej Pietrasiewicz | b26394b | 2015-03-03 10:52:28 +0100 | [diff] [blame] | 35 | }; |
| 36 | |
| 37 | #endif /* U_PRINTER_H */ |