mirror of https://gitee.com/openkylin/linux.git
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
|
/*
|
||
|
|
* HID driver for Saitek devices, currently only the PS1000 (USB gamepad).
|
||
|
|
* Fixes the HID report descriptor by removing a non-existent axis and
|
||
|
|
* clearing the constant bit on the input reports for buttons and d-pad.
|
||
|
|
* (This module is based on "hid-ortek".)
|
||
|
|
*
|
||
|
|
* Copyright (c) 2012 Andreas Hübner
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This program is free software; you can redistribute it and/or modify it
|
||
|
|
* under the terms of the GNU General Public License as published by the Free
|
||
|
|
* Software Foundation; either version 2 of the License, or (at your option)
|
||
|
|
* any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/hid.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
|
||
|
|
#include "hid-ids.h"
|
||
|
|
|
||
|
|
static __u8 *saitek_report_fixup(struct hid_device *hdev, __u8 *rdesc,
|
||
|
|
unsigned int *rsize)
|
||
|
|
{
|
||
|
|
if (*rsize == 137 && rdesc[20] == 0x09 && rdesc[21] == 0x33
|
||
|
|
&& rdesc[94] == 0x81 && rdesc[95] == 0x03
|
||
|
|
&& rdesc[110] == 0x81 && rdesc[111] == 0x03) {
|
||
|
|
|
||
|
|
hid_info(hdev, "Fixing up Saitek PS1000 report descriptor\n");
|
||
|
|
|
||
|
|
/* convert spurious axis to a "noop" Logical Minimum (0) */
|
||
|
|
rdesc[20] = 0x15;
|
||
|
|
rdesc[21] = 0x00;
|
||
|
|
|
||
|
|
/* clear constant bit on buttons and d-pad */
|
||
|
|
rdesc[95] = 0x02;
|
||
|
|
rdesc[111] = 0x02;
|
||
|
|
|
||
|
|
}
|
||
|
|
return rdesc;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct hid_device_id saitek_devices[] = {
|
||
|
|
{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000)},
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
MODULE_DEVICE_TABLE(hid, saitek_devices);
|
||
|
|
|
||
|
|
static struct hid_driver saitek_driver = {
|
||
|
|
.name = "saitek",
|
||
|
|
.id_table = saitek_devices,
|
||
|
|
.report_fixup = saitek_report_fixup
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init saitek_init(void)
|
||
|
|
{
|
||
|
|
return hid_register_driver(&saitek_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void __exit saitek_exit(void)
|
||
|
|
{
|
||
|
|
hid_unregister_driver(&saitek_driver);
|
||
|
|
}
|
||
|
|
|
||
|
|
module_init(saitek_init);
|
||
|
|
module_exit(saitek_exit);
|
||
|
|
MODULE_LICENSE("GPL");
|