| // 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 */ |
