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 <andrzej.p@samsung.com>
11  */
12 
13 #ifndef U_PRINTER_H
14 #define U_PRINTER_H
15 
16 #include <linux/usb/composite.h>
17 
18 struct 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 */
34