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Yusuke Fujimakieeb01a52016-03-21 16:18:42 +09001/*
Yusuke Fujimakib94f7d52016-04-03 23:15:16 +09002 * HID driver for Asus notebook built-in keyboard.
Yusuke Fujimakieeb01a52016-03-21 16:18:42 +09003 * Fixes small logical maximum to match usage maximum.
4 *
Yusuke Fujimakib94f7d52016-04-03 23:15:16 +09005 * Currently supported devices are:
6 * EeeBook X205TA
7 * VivoBook E200HA
8 *
Yusuke Fujimakieeb01a52016-03-21 16:18:42 +09009 * Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com>
10 *
11 * This module based on hid-ortek by
12 * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
13 * Copyright (c) 2011 Jiri Kosina
14 */
15
16/*
17 * This program is free software; you can redistribute it and/or modify it
18 * under the terms of the GNU General Public License as published by the Free
19 * Software Foundation; either version 2 of the License, or (at your option)
20 * any later version.
21 */
22
23#include <linux/device.h>
24#include <linux/hid.h>
25#include <linux/module.h>
26
27#include "hid-ids.h"
28
29static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
30 unsigned int *rsize)
31{
Yusuke Fujimakib94f7d52016-04-03 23:15:16 +090032 if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
33 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
Yusuke Fujimakieeb01a52016-03-21 16:18:42 +090034 rdesc[55] = 0xdd;
35 }
36 return rdesc;
37}
38
39static const struct hid_device_id asus_devices[] = {
Yusuke Fujimakib94f7d52016-04-03 23:15:16 +090040 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
Yusuke Fujimakieeb01a52016-03-21 16:18:42 +090041 { }
42};
43MODULE_DEVICE_TABLE(hid, asus_devices);
44
45static struct hid_driver asus_driver = {
46 .name = "asus",
47 .id_table = asus_devices,
48 .report_fixup = asus_report_fixup
49};
50module_hid_driver(asus_driver);
51
52MODULE_LICENSE("GPL");