| /* | |
| * HID driver for various devices which are apparently based on the same chipset | |
| * from certain vendor which produces chips that contain wrong LogicalMaximum | |
| * value in their HID report descriptor. Currently supported devices are: | |
| * | |
| * Ortek PKB-1700 | |
| * Ortek WKB-2000 | |
| * Skycable wireless presenter | |
| * | |
| * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> | |
| * Copyright (c) 2011 Jiri Kosina | |
| */ | |
| /* | |
| * This program is free software; you can redistribute it and/or modify it | |
| * under the terms of the GNU General Public License as published by the Free | |
| * Software Foundation; either version 2 of the License, or (at your option) | |
| * any later version. | |
| */ | |
| #include <linux/device.h> | |
| #include <linux/hid.h> | |
| #include <linux/module.h> | |
| #include "hid-ids.h" | |
| static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, | |
| unsigned int *rsize) | |
| { | |
| if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { | |
| hid_info(hdev, "Fixing up logical minimum in report descriptor (Ortek)\n"); | |
| rdesc[55] = 0x92; | |
| } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { | |
| hid_info(hdev, "Fixing up logical minimum in report descriptor (Skycable)\n"); | |
| rdesc[53] = 0x65; | |
| } | |
| return rdesc; | |
| } | |
| static const struct hid_device_id ortek_devices[] = { | |
| { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, | |
| { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, | |
| { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, | |
| { } | |
| }; | |
| MODULE_DEVICE_TABLE(hid, ortek_devices); | |
| static struct hid_driver ortek_driver = { | |
| .name = "ortek", | |
| .id_table = ortek_devices, | |
| .report_fixup = ortek_report_fixup | |
| }; | |
| module_hid_driver(ortek_driver); | |
| MODULE_LICENSE("GPL"); |