tmp_suning_uos_patched/drivers/hid/hid-macally.c
Rikard Falkeborn d71c8008e1 HID: macally: Constify macally_id_table
macally_id_table is not modified and can be made const to allow the
compiler to put it in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2020-08-17 11:38:49 +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 const 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);