55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* 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
|
|
* iHome IMAC-A210S
|
|
* Skycable wireless presenter
|
|
*
|
|
* Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
|
|
* Copyright (c) 2011 Jiri Kosina
|
|
*/
|
|
|
|
/*
|
|
*/
|
|
|
|
#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 maximum in report descriptor (Ortek)\n");
|
|
rdesc[55] = 0x92;
|
|
} else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) {
|
|
hid_info(hdev, "Fixing up logical maximum 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_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) },
|
|
{ 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");
|