| // SPDX-License-Identifier: GPL-2.0 | |
| /* | |
| * u_printer.h | |
| * | |
| * Utility definitions for the printer function | |
| * | |
| * Copyright (c) 2015 Samsung Electronics Co., Ltd. | |
| * http://www.samsung.com | |
| * | |
| * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> | |
| */ | |
| #ifndef U_PRINTER_H | |
| #define U_PRINTER_H | |
| #include <linux/usb/composite.h> | |
| struct f_printer_opts { | |
| struct usb_function_instance func_inst; | |
| int minor; | |
| char *pnp_string; | |
| bool pnp_string_allocated; | |
| 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 */ |