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;
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 */
38