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1 | /* |
2 | * HID driver for Saitek devices, currently only the PS1000 (USB gamepad). |
3 | * Fixes the HID report descriptor by removing a non-existent axis and |
4 | * clearing the constant bit on the input reports for buttons and d-pad. |
5 | * (This module is based on "hid-ortek".) |
6 | * |
7 | * Copyright (c) 2012 Andreas Hübner |
8 | */ |
9 | |
10 | /* |
11 | * This program is free software; you can redistribute it and/or modify it |
12 | * under the terms of the GNU General Public License as published by the Free |
13 | * Software Foundation; either version 2 of the License, or (at your option) |
14 | * any later version. |
15 | */ |
16 | |
17 | #include <linux/device.h> |
18 | #include <linux/hid.h> |
19 | #include <linux/module.h> |
20 | #include <linux/kernel.h> |
21 | |
22 | #include "hid-ids.h" |
23 | |
24 | static __u8 *saitek_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
25 | unsigned int *rsize) |
26 | { |
27 | if (*rsize == 137 && rdesc[20] == 0x09 && rdesc[21] == 0x33 |
28 | && rdesc[94] == 0x81 && rdesc[95] == 0x03 |
29 | && rdesc[110] == 0x81 && rdesc[111] == 0x03) { |
30 | |
31 | hid_info(hdev, "Fixing up Saitek PS1000 report descriptor\n"); |
32 | |
33 | /* convert spurious axis to a "noop" Logical Minimum (0) */ |
34 | rdesc[20] = 0x15; |
35 | rdesc[21] = 0x00; |
36 | |
37 | /* clear constant bit on buttons and d-pad */ |
38 | rdesc[95] = 0x02; |
39 | rdesc[111] = 0x02; |
40 | |
41 | } |
42 | return rdesc; |
43 | } |
44 | |
45 | static const struct hid_device_id saitek_devices[] = { |
46 | { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000)}, |
47 | { } |
48 | }; |
49 | |
50 | MODULE_DEVICE_TABLE(hid, saitek_devices); |
51 | |
52 | static struct hid_driver saitek_driver = { |
53 | .name = "saitek", |
54 | .id_table = saitek_devices, |
55 | .report_fixup = saitek_report_fixup |
56 | }; |
57 | module_hid_driver(saitek_driver); |
58 | |
59 | MODULE_LICENSE("GPL"); |
60 |
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v2.6.34-rc5
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