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v6.8
 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 */
v4.6
 
 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 */