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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * u_printer.h
4 *
5 * Utility definitions for the printer function
6 *
7 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
8 * http://www.samsung.com
9 *
10 * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
11 */
12
13#ifndef U_PRINTER_H
14#define U_PRINTER_H
15
16#include <linux/usb/composite.h>
17
18struct f_printer_opts {
19 struct usb_function_instance func_inst;
20 int minor;
21 char *pnp_string;
22 bool pnp_string_allocated;
23 unsigned q_len;
24
25 /*
26 * Protect the data from concurrent access by read/write
27 * and create symlink/remove symlink
28 */
29 struct mutex lock;
30 int refcnt;
31};
32
33#endif /* U_PRINTER_H */
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
23struct f_printer_opts {
24 struct usb_function_instance func_inst;
25 int minor;
26 char pnp_string[PNP_STRING_LEN];
27 unsigned q_len;
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;
35};
36
37#endif /* U_PRINTER_H */