// 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 __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_LICENSE("GPL");