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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
177900e8 JK |
2 | /* |
3 | * HID driver for Keytouch devices not fully compliant with HID standard | |
4 | * | |
5 | * Copyright (c) 2011 Jiri Kosina | |
6 | */ | |
7 | ||
8 | /* | |
177900e8 JK |
9 | */ |
10 | ||
11 | #include <linux/device.h> | |
12 | #include <linux/hid.h> | |
13 | #include <linux/module.h> | |
14 | ||
15 | #include "hid-ids.h" | |
16 | ||
17 | /* Replace the broken report descriptor of this device with rather | |
18 | * a default one */ | |
19 | static __u8 keytouch_fixed_rdesc[] = { | |
20 | 0x05, 0x01, 0x09, 0x06, 0xa1, 0x01, 0x05, 0x07, 0x19, 0xe0, 0x29, 0xe7, 0x15, | |
21 | 0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08, | |
22 | 0x81, 0x01, 0x95, 0x03, 0x75, 0x01, 0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91, | |
23 | 0x02, 0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06, 0x75, 0x08, 0x15, 0x00, | |
24 | 0x26, 0xff, 0x00, 0x05, 0x07, 0x19, 0x00, 0x2a, 0xff, 0x00, 0x81, 0x00, 0xc0 | |
25 | }; | |
26 | ||
27 | static __u8 *keytouch_report_fixup(struct hid_device *hdev, __u8 *rdesc, | |
28 | unsigned int *rsize) | |
29 | { | |
30 | hid_info(hdev, "fixing up Keytouch IEC report descriptor\n"); | |
31 | ||
32 | rdesc = keytouch_fixed_rdesc; | |
33 | *rsize = sizeof(keytouch_fixed_rdesc); | |
34 | ||
35 | return rdesc; | |
36 | } | |
37 | ||
38 | static const struct hid_device_id keytouch_devices[] = { | |
39 | { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, | |
40 | { } | |
41 | }; | |
42 | MODULE_DEVICE_TABLE(hid, keytouch_devices); | |
43 | ||
44 | static struct hid_driver keytouch_driver = { | |
45 | .name = "keytouch", | |
46 | .id_table = keytouch_devices, | |
47 | .report_fixup = keytouch_report_fixup, | |
48 | }; | |
f425458e | 49 | module_hid_driver(keytouch_driver); |
177900e8 | 50 | |
177900e8 JK |
51 | MODULE_LICENSE("GPL"); |
52 | MODULE_AUTHOR("Jiri Kosina"); |