1/*
 2 *  HID driver for Xin-Mo devices, currently only the Dual Arcade controller.
 3 *  Fixes the negative axis event values (the devices sends -2) to match the
 4 *  logical axis minimum of the HID report descriptor (the report announces
 5 *  -1). It is needed because hid-input discards out of bounds values.
 6 *  (This module is based on "hid-saitek" and "hid-lg".)
 7 *
 8 *  Copyright (c) 2013 Olivier Scherler
 9 */
10
11/*
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the Free
14 * Software Foundation; either version 2 of the License, or (at your option)
15 * any later version.
16 */
17
18#include <linux/device.h>
19#include <linux/hid.h>
20#include <linux/module.h>
21#include <linux/kernel.h>
22
23#include "hid-ids.h"
24
25/*
26 * Fix negative events that are out of bounds.
27 */
28static int xinmo_event(struct hid_device *hdev, struct hid_field *field,
29		struct hid_usage *usage, __s32 value)
30{
31	switch (usage->code) {
32	case ABS_X:
33	case ABS_Y:
34	case ABS_Z:
35	case ABS_RX:
36		if (value < -1) {
37			input_event(field->hidinput->input, usage->type,
38				usage->code, -1);
39			return 1;
40		}
41		break;
42	}
43
44	return 0;
45}
46
47static const struct hid_device_id xinmo_devices[] = {
48	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
 
49	{ }
50};
51
52MODULE_DEVICE_TABLE(hid, xinmo_devices);
53
54static struct hid_driver xinmo_driver = {
55	.name = "xinmo",
56	.id_table = xinmo_devices,
57	.event = xinmo_event
58};
59
60module_hid_driver(xinmo_driver);
61MODULE_LICENSE("GPL");

 1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 *  HID driver for Xin-Mo devices, currently only the Dual Arcade controller.
 4 *  Fixes the negative axis event values (the devices sends -2) to match the
 5 *  logical axis minimum of the HID report descriptor (the report announces
 6 *  -1). It is needed because hid-input discards out of bounds values.
 7 *  (This module is based on "hid-saitek" and "hid-lg".)
 8 *
 9 *  Copyright (c) 2013 Olivier Scherler
10 */
11
12/*
 
 
 
 
13 */
14
15#include <linux/device.h>
16#include <linux/hid.h>
17#include <linux/module.h>
18#include <linux/kernel.h>
19
20#include "hid-ids.h"
21
22/*
23 * Fix negative events that are out of bounds.
24 */
25static int xinmo_event(struct hid_device *hdev, struct hid_field *field,
26		struct hid_usage *usage, __s32 value)
27{
28	switch (usage->code) {
29	case ABS_X:
30	case ABS_Y:
31	case ABS_Z:
32	case ABS_RX:
33		if (value < -1) {
34			input_event(field->hidinput->input, usage->type,
35				usage->code, -1);
36			return 1;
37		}
38		break;
39	}
40
41	return 0;
42}
43
44static const struct hid_device_id xinmo_devices[] = {
45	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
46	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) },
47	{ }
48};
49
50MODULE_DEVICE_TABLE(hid, xinmo_devices);
51
52static struct hid_driver xinmo_driver = {
53	.name = "xinmo",
54	.id_table = xinmo_devices,
55	.event = xinmo_event
56};
57
58module_hid_driver(xinmo_driver);
59MODULE_LICENSE("GPL");