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177900e8 JK |
1 | /* |
2 | * HID driver for Keytouch devices not fully compliant with HID standard | |
3 | * | |
4 | * Copyright (c) 2011 Jiri Kosina | |
5 | */ | |
6 | ||
7 | /* | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the Free | |
10 | * Software Foundation; either version 2 of the License, or (at your option) | |
11 | * any later version. | |
12 | */ | |
13 | ||
14 | #include <linux/device.h> | |
15 | #include <linux/hid.h> | |
16 | #include <linux/module.h> | |
17 | ||
18 | #include "hid-ids.h" | |
19 | ||
20 | /* Replace the broken report descriptor of this device with rather | |
21 | * a default one */ | |
22 | static __u8 keytouch_fixed_rdesc[] = { | |
23 | 0x05, 0x01, 0x09, 0x06, 0xa1, 0x01, 0x05, 0x07, 0x19, 0xe0, 0x29, 0xe7, 0x15, | |
24 | 0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08, | |
25 | 0x81, 0x01, 0x95, 0x03, 0x75, 0x01, 0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91, | |
26 | 0x02, 0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06, 0x75, 0x08, 0x15, 0x00, | |
27 | 0x26, 0xff, 0x00, 0x05, 0x07, 0x19, 0x00, 0x2a, 0xff, 0x00, 0x81, 0x00, 0xc0 | |
28 | }; | |
29 | ||
30 | static __u8 *keytouch_report_fixup(struct hid_device *hdev, __u8 *rdesc, | |
31 | unsigned int *rsize) | |
32 | { | |
33 | hid_info(hdev, "fixing up Keytouch IEC report descriptor\n"); | |
34 | ||
35 | rdesc = keytouch_fixed_rdesc; | |
36 | *rsize = sizeof(keytouch_fixed_rdesc); | |
37 | ||
38 | return rdesc; | |
39 | } | |
40 | ||
41 | static const struct hid_device_id keytouch_devices[] = { | |
42 | { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, | |
43 | { } | |
44 | }; | |
45 | MODULE_DEVICE_TABLE(hid, keytouch_devices); | |
46 | ||
47 | static struct hid_driver keytouch_driver = { | |
48 | .name = "keytouch", | |
49 | .id_table = keytouch_devices, | |
50 | .report_fixup = keytouch_report_fixup, | |
51 | }; | |
f425458e | 52 | module_hid_driver(keytouch_driver); |
177900e8 | 53 | |
177900e8 JK |
54 | MODULE_LICENSE("GPL"); |
55 | MODULE_AUTHOR("Jiri Kosina"); |