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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * HID driver for Topre REALFORCE Keyboards
- *
- * Copyright (c) 2022 Harry Stern <[email protected]>
- *
- * Based on the hid-macally driver
- */
- #include <linux/hid.h>
- #include <linux/module.h>
- #include "hid-ids.h"
- MODULE_AUTHOR("Harry Stern <[email protected]>");
- MODULE_DESCRIPTION("REALFORCE R2 Keyboard driver");
- MODULE_LICENSE("GPL");
- /*
- * Fix the REALFORCE R2's non-boot interface's report descriptor to match the
- * events it's actually sending. It claims to send array events but is instead
- * sending variable events.
- */
- static __u8 *topre_report_fixup(struct hid_device *hdev, __u8 *rdesc,
- unsigned int *rsize)
- {
- if (*rsize >= 119 && rdesc[69] == 0x29 && rdesc[70] == 0xe7 &&
- rdesc[71] == 0x81 && rdesc[72] == 0x00) {
- hid_info(hdev,
- "fixing up Topre REALFORCE keyboard report descriptor\n");
- rdesc[72] = 0x02;
- }
- return rdesc;
- }
- static const struct hid_device_id topre_id_table[] = {
- { HID_USB_DEVICE(USB_VENDOR_ID_TOPRE,
- USB_DEVICE_ID_TOPRE_REALFORCE_R2_108) },
- { }
- };
- MODULE_DEVICE_TABLE(hid, topre_id_table);
- static struct hid_driver topre_driver = {
- .name = "topre",
- .id_table = topre_id_table,
- .report_fixup = topre_report_fixup,
- };
- module_hid_driver(topre_driver);
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