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1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * u_hid.h
4 *
5 * Utility definitions for the hid function
6 *
7 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
8 * http://www.samsung.com
9 *
10 * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
11 */
12
13#ifndef U_HID_H
14#define U_HID_H
15
16#include <linux/usb/composite.h>
17
18struct f_hid_opts {
19 struct usb_function_instance func_inst;
20 int minor;
21 unsigned char subclass;
22 unsigned char protocol;
23 unsigned char no_out_endpoint;
24 unsigned short report_length;
25 unsigned short report_desc_length;
26 unsigned char *report_desc;
27 bool report_desc_alloc;
28
29 /*
30 * Protect the data form concurrent access by read/write
31 * and create symlink/remove symlink.
32 */
33 struct mutex lock;
34 int refcnt;
35};
36
37int ghid_setup(struct usb_gadget *g, int count);
38void ghid_cleanup(void);
39
40#endif /* U_HID_H */
1/*
2 * u_hid.h
3 *
4 * Utility definitions for the hid function
5 *
6 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 * http://www.samsung.com
8 *
9 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#ifndef U_HID_H
17#define U_HID_H
18
19#include <linux/usb/composite.h>
20
21struct f_hid_opts {
22 struct usb_function_instance func_inst;
23 int minor;
24 unsigned char subclass;
25 unsigned char protocol;
26 unsigned short report_length;
27 unsigned short report_desc_length;
28 unsigned char *report_desc;
29 bool report_desc_alloc;
30
31 /*
32 * Protect the data form concurrent access by read/write
33 * and create symlink/remove symlink.
34 */
35 struct mutex lock;
36 int refcnt;
37};
38
39int ghid_setup(struct usb_gadget *g, int count);
40void ghid_cleanup(void);
41
42#endif /* U_HID_H */