1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * u_printer.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Utility definitions for the printer function 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Copyright (c) 2015 Samsung Electronics Co., Ltd. 8*4882a593Smuzhiyun * http://www.samsung.com 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> 11*4882a593Smuzhiyun */ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #ifndef U_PRINTER_H 14*4882a593Smuzhiyun #define U_PRINTER_H 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #include <linux/usb/composite.h> 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct f_printer_opts { 19*4882a593Smuzhiyun struct usb_function_instance func_inst; 20*4882a593Smuzhiyun int minor; 21*4882a593Smuzhiyun char *pnp_string; 22*4882a593Smuzhiyun bool pnp_string_allocated; 23*4882a593Smuzhiyun unsigned q_len; 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun /* 26*4882a593Smuzhiyun * Protect the data from concurrent access by read/write 27*4882a593Smuzhiyun * and create symlink/remove symlink 28*4882a593Smuzhiyun */ 29*4882a593Smuzhiyun struct mutex lock; 30*4882a593Smuzhiyun int refcnt; 31*4882a593Smuzhiyun }; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #endif /* U_PRINTER_H */ 34