38 lines
821 B
C
38 lines
821 B
C
|
/*
|
||
|
|
* u_printer.h
|
||
|
|
*
|
||
|
|
* Utility definitions for the printer function
|
||
|
|
*
|
||
|
|
* Copyright (c) 2015 Samsung Electronics Co., Ltd.
|
||
|
|
* http://www.samsung.com
|
||
|
|
*
|
||
|
|
* Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef U_PRINTER_H
|
||
|
|
#define U_PRINTER_H
|
||
|
|
|
||
|
|
#include <linux/usb/composite.h>
|
||
|
|
|
||
|
|
#define PNP_STRING_LEN 1024
|
||
|
|
|
||
|
|
struct f_printer_opts {
|
||
|
|
struct usb_function_instance func_inst;
|
||
|
|
int minor;
|
||
|
|
char pnp_string[PNP_STRING_LEN];
|
||
|
|
unsigned q_len;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Protect the data from concurrent access by read/write
|
||
|
|
* and create symlink/remove symlink
|
||
|
|
*/
|
||
|
|
struct mutex lock;
|
||
|
|
int refcnt;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* U_PRINTER_H */
|