18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0+
28c2ecf20Sopenharmony_ci/*
38c2ecf20Sopenharmony_ci *  HID driver for quirky Macally devices
48c2ecf20Sopenharmony_ci *
58c2ecf20Sopenharmony_ci *  Copyright (c) 2019 Alex Henrie <alexhenrie24@gmail.com>
68c2ecf20Sopenharmony_ci */
78c2ecf20Sopenharmony_ci
88c2ecf20Sopenharmony_ci#include <linux/hid.h>
98c2ecf20Sopenharmony_ci#include <linux/module.h>
108c2ecf20Sopenharmony_ci
118c2ecf20Sopenharmony_ci#include "hid-ids.h"
128c2ecf20Sopenharmony_ci
138c2ecf20Sopenharmony_ciMODULE_AUTHOR("Alex Henrie <alexhenrie24@gmail.com>");
148c2ecf20Sopenharmony_ciMODULE_DESCRIPTION("Macally devices");
158c2ecf20Sopenharmony_ciMODULE_LICENSE("GPL");
168c2ecf20Sopenharmony_ci
178c2ecf20Sopenharmony_ci/*
188c2ecf20Sopenharmony_ci * The Macally ikey keyboard says that its logical and usage maximums are both
198c2ecf20Sopenharmony_ci * 101, but the power key is 102 and the equals key is 103
208c2ecf20Sopenharmony_ci */
218c2ecf20Sopenharmony_cistatic __u8 *macally_report_fixup(struct hid_device *hdev, __u8 *rdesc,
228c2ecf20Sopenharmony_ci				 unsigned int *rsize)
238c2ecf20Sopenharmony_ci{
248c2ecf20Sopenharmony_ci	if (*rsize >= 60 && rdesc[53] == 0x65 && rdesc[59] == 0x65) {
258c2ecf20Sopenharmony_ci		hid_info(hdev,
268c2ecf20Sopenharmony_ci			"fixing up Macally ikey keyboard report descriptor\n");
278c2ecf20Sopenharmony_ci		rdesc[53] = rdesc[59] = 0x67;
288c2ecf20Sopenharmony_ci	}
298c2ecf20Sopenharmony_ci	return rdesc;
308c2ecf20Sopenharmony_ci}
318c2ecf20Sopenharmony_ci
328c2ecf20Sopenharmony_cistatic const struct hid_device_id macally_id_table[] = {
338c2ecf20Sopenharmony_ci	{ HID_USB_DEVICE(USB_VENDOR_ID_SOLID_YEAR,
348c2ecf20Sopenharmony_ci			 USB_DEVICE_ID_MACALLY_IKEY_KEYBOARD) },
358c2ecf20Sopenharmony_ci	{ }
368c2ecf20Sopenharmony_ci};
378c2ecf20Sopenharmony_ciMODULE_DEVICE_TABLE(hid, macally_id_table);
388c2ecf20Sopenharmony_ci
398c2ecf20Sopenharmony_cistatic struct hid_driver macally_driver = {
408c2ecf20Sopenharmony_ci	.name			= "macally",
418c2ecf20Sopenharmony_ci	.id_table		= macally_id_table,
428c2ecf20Sopenharmony_ci	.report_fixup		= macally_report_fixup,
438c2ecf20Sopenharmony_ci};
448c2ecf20Sopenharmony_ci
458c2ecf20Sopenharmony_cimodule_hid_driver(macally_driver);
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