linux/drivers/hid/hid-macally.c
Alex Henrie 161f62cd07 HID: macally: Add support for Macally ikey keyboard
This enables the power and equals keys on the Macally ikey keyboard.

Based on the Cougar gaming keyboard HID driver, which uses the same
vendor ID.

Signed-off-by: Alex Henrie <alexhenrie24@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
2019-04-03 17:14:13 +02:00

46 lines
1.1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* HID driver for quirky Macally devices
*
* Copyright (c) 2019 Alex Henrie <alexhenrie24@gmail.com>
*/
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
MODULE_AUTHOR("Alex Henrie <alexhenrie24@gmail.com>");
MODULE_DESCRIPTION("Macally devices");
MODULE_LICENSE("GPL");
/*
* The Macally ikey keyboard says that its logical and usage maximums are both
* 101, but the power key is 102 and the equals key is 103
*/
static __u8 *macally_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
if (*rsize >= 60 && rdesc[53] == 0x65 && rdesc[59] == 0x65) {
hid_info(hdev,
"fixing up Macally ikey keyboard report descriptor\n");
rdesc[53] = rdesc[59] = 0x67;
}
return rdesc;
}
static struct hid_device_id macally_id_table[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SOLID_YEAR,
USB_DEVICE_ID_MACALLY_IKEY_KEYBOARD) },
{ }
};
MODULE_DEVICE_TABLE(hid, macally_id_table);
static struct hid_driver macally_driver = {
.name = "macally",
.id_table = macally_id_table,
.report_fixup = macally_report_fixup,
};
module_hid_driver(macally_driver);