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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HID driver for Semitek keyboards
*
* Copyright (c) 2021 Benjamin Moody
*/
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
static const __u8 *semitek_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
/* In the report descriptor for interface 2, fix the incorrect
description of report ID 0x04 (the report contains a
bitmask, not an array of keycodes.) */
if (*rsize == 0xcb && rdesc[0x83] == 0x81 && rdesc[0x84] == 0x00) {
hid_info(hdev, "fixing up Semitek report descriptor\n");
rdesc[0x84] = 0x02;
}
return rdesc;
}
static const struct hid_device_id semitek_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SEMITEK, USB_DEVICE_ID_SEMITEK_KEYBOARD) },
{ }
};
MODULE_DEVICE_TABLE(hid, semitek_devices);
static struct hid_driver semitek_driver = {
.name = "semitek",
.id_table = semitek_devices,
.report_fixup = semitek_report_fixup,
};
module_hid_driver(semitek_driver);
MODULE_DESCRIPTION("HID driver for Semitek keyboards");
MODULE_LICENSE("GPL");
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