Commit | Line | Data |
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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
cd9ec30d | 2 | /* |
d586dca0 JK |
3 | * HID driver for various devices which are apparently based on the same chipset |
4 | * from certain vendor which produces chips that contain wrong LogicalMaximum | |
5 | * value in their HID report descriptor. Currently supported devices are: | |
6 | * | |
7 | * Ortek PKB-1700 | |
8 | * Ortek WKB-2000 | |
c228352d | 9 | * iHome IMAC-A210S |
d586dca0 | 10 | * Skycable wireless presenter |
cd9ec30d JH |
11 | * |
12 | * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> | |
d586dca0 | 13 | * Copyright (c) 2011 Jiri Kosina |
cd9ec30d JH |
14 | */ |
15 | ||
16 | /* | |
cd9ec30d JH |
17 | */ |
18 | ||
19 | #include <linux/device.h> | |
20 | #include <linux/hid.h> | |
21 | #include <linux/module.h> | |
22 | ||
23 | #include "hid-ids.h" | |
24 | ||
73e4008d NK |
25 | static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
26 | unsigned int *rsize) | |
cd9ec30d | 27 | { |
73e4008d | 28 | if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { |
c228352d | 29 | hid_info(hdev, "Fixing up logical maximum in report descriptor (Ortek)\n"); |
cd9ec30d | 30 | rdesc[55] = 0x92; |
d586dca0 | 31 | } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { |
c228352d | 32 | hid_info(hdev, "Fixing up logical maximum in report descriptor (Skycable)\n"); |
d586dca0 | 33 | rdesc[53] = 0x65; |
cd9ec30d | 34 | } |
73e4008d | 35 | return rdesc; |
cd9ec30d JH |
36 | } |
37 | ||
38 | static const struct hid_device_id ortek_devices[] = { | |
270fdc07 | 39 | { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, |
cd9ec30d | 40 | { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, |
c228352d | 41 | { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) }, |
d586dca0 | 42 | { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, |
cd9ec30d JH |
43 | { } |
44 | }; | |
45 | MODULE_DEVICE_TABLE(hid, ortek_devices); | |
46 | ||
47 | static struct hid_driver ortek_driver = { | |
48 | .name = "ortek", | |
49 | .id_table = ortek_devices, | |
50 | .report_fixup = ortek_report_fixup | |
51 | }; | |
f425458e | 52 | module_hid_driver(ortek_driver); |
cd9ec30d | 53 | |
cd9ec30d | 54 | MODULE_LICENSE("GPL"); |