]>
Commit | Line | Data |
---|---|---|
cd9ec30d | 1 | /* |
d586dca0 JK |
2 | * HID driver for various devices which are apparently based on the same chipset |
3 | * from certain vendor which produces chips that contain wrong LogicalMaximum | |
4 | * value in their HID report descriptor. Currently supported devices are: | |
5 | * | |
6 | * Ortek PKB-1700 | |
7 | * Ortek WKB-2000 | |
8 | * Skycable wireless presenter | |
cd9ec30d JH |
9 | * |
10 | * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> | |
d586dca0 | 11 | * Copyright (c) 2011 Jiri Kosina |
cd9ec30d JH |
12 | */ |
13 | ||
14 | /* | |
15 | * This program is free software; you can redistribute it and/or modify it | |
16 | * under the terms of the GNU General Public License as published by the Free | |
17 | * Software Foundation; either version 2 of the License, or (at your option) | |
18 | * any later version. | |
19 | */ | |
20 | ||
21 | #include <linux/device.h> | |
22 | #include <linux/hid.h> | |
23 | #include <linux/module.h> | |
24 | ||
25 | #include "hid-ids.h" | |
26 | ||
73e4008d NK |
27 | static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
28 | unsigned int *rsize) | |
cd9ec30d | 29 | { |
73e4008d | 30 | if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { |
d586dca0 | 31 | hid_info(hdev, "Fixing up logical minimum in report descriptor (Ortek)\n"); |
cd9ec30d | 32 | rdesc[55] = 0x92; |
d586dca0 JK |
33 | } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { |
34 | hid_info(hdev, "Fixing up logical minimum in report descriptor (Skycable)\n"); | |
35 | rdesc[53] = 0x65; | |
cd9ec30d | 36 | } |
73e4008d | 37 | return rdesc; |
cd9ec30d JH |
38 | } |
39 | ||
40 | static const struct hid_device_id ortek_devices[] = { | |
270fdc07 | 41 | { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, |
cd9ec30d | 42 | { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, |
d586dca0 | 43 | { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, |
cd9ec30d JH |
44 | { } |
45 | }; | |
46 | MODULE_DEVICE_TABLE(hid, ortek_devices); | |
47 | ||
48 | static struct hid_driver ortek_driver = { | |
49 | .name = "ortek", | |
50 | .id_table = ortek_devices, | |
51 | .report_fixup = ortek_report_fixup | |
52 | }; | |
f425458e | 53 | module_hid_driver(ortek_driver); |
cd9ec30d | 54 | |
cd9ec30d | 55 | MODULE_LICENSE("GPL"); |