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