// SPDX-License-Identifier: GPL-2.0 /* * u_hid.h * * Utility definitions for the hid function * * Copyright (c) 2014 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> */ #ifndef U_HID_H #define U_HID_H #include <linux/usb/composite.h> struct f_hid_opts { struct usb_function_instance func_inst; int minor; unsigned char subclass; unsigned char protocol; unsigned short report_length; unsigned short report_desc_length; unsigned char *report_desc; bool report_desc_alloc; /* * Protect the data form concurrent access by read/write * and create symlink/remove symlink. */ struct mutex lock; int refcnt; }; int ghid_setup(struct usb_gadget *g, int count); void ghid_cleanup(void); #endif /* U_HID_H */