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The tenkeyless version of the Realforce R2 has the same issue of the full size one, the report fixup is needed to make n-key rollover work instead of 6 key rollover Signed-off-by: Alessandro Manca <crizan.git@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* HID driver for Topre REALFORCE Keyboards
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*
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* Copyright (c) 2022 Harry Stern <harry@harrystern.net>
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*
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* Based on the hid-macally driver
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*/
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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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MODULE_AUTHOR("Harry Stern <harry@harrystern.net>");
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MODULE_DESCRIPTION("REALFORCE R2 Keyboard driver");
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MODULE_LICENSE("GPL");
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/*
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* Fix the REALFORCE R2's non-boot interface's report descriptor to match the
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* events it's actually sending. It claims to send array events but is instead
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* sending variable events.
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*/
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static __u8 *topre_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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if (*rsize >= 119 && rdesc[69] == 0x29 && rdesc[70] == 0xe7 &&
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rdesc[71] == 0x81 && rdesc[72] == 0x00) {
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hid_info(hdev,
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"fixing up Topre REALFORCE keyboard report descriptor\n");
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rdesc[72] = 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 topre_id_table[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_TOPRE,
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USB_DEVICE_ID_TOPRE_REALFORCE_R2_108) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_TOPRE,
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USB_DEVICE_ID_TOPRE_REALFORCE_R2_87) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, topre_id_table);
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static struct hid_driver topre_driver = {
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.name = "topre",
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.id_table = topre_id_table,
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.report_fixup = topre_report_fixup,
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};
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module_hid_driver(topre_driver);
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