linux/drivers/hid/hid-keytouch.c
Thomas Weißschuh b299944af7 HID: keytouch: constify fixed up report descriptor
Now that the HID core can handle const report descriptors,
constify them where possible.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://patch.msgid.link/20240828-hid-const-fixup-2-v1-4-663b9210eb69@weissschuh.net
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
2024-09-05 16:20:56 +02:00

52 lines
1.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HID driver for Keytouch devices not fully compliant with HID standard
*
* Copyright (c) 2011 Jiri Kosina
*/
/*
*/
#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
/* Replace the broken report descriptor of this device with rather
* a default one */
static const __u8 keytouch_fixed_rdesc[] = {
0x05, 0x01, 0x09, 0x06, 0xa1, 0x01, 0x05, 0x07, 0x19, 0xe0, 0x29, 0xe7, 0x15,
0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08,
0x81, 0x01, 0x95, 0x03, 0x75, 0x01, 0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91,
0x02, 0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06, 0x75, 0x08, 0x15, 0x00,
0x26, 0xff, 0x00, 0x05, 0x07, 0x19, 0x00, 0x2a, 0xff, 0x00, 0x81, 0x00, 0xc0
};
static const __u8 *keytouch_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int *rsize)
{
hid_info(hdev, "fixing up Keytouch IEC report descriptor\n");
*rsize = sizeof(keytouch_fixed_rdesc);
return keytouch_fixed_rdesc;
}
static const struct hid_device_id keytouch_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
{ }
};
MODULE_DEVICE_TABLE(hid, keytouch_devices);
static struct hid_driver keytouch_driver = {
.name = "keytouch",
.id_table = keytouch_devices,
.report_fixup = keytouch_report_fixup,
};
module_hid_driver(keytouch_driver);
MODULE_DESCRIPTION("HID driver for Keytouch devices not fully compliant with HID standard");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Jiri Kosina");