1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * USB HID quirks support for Network Technologies, Inc. "USB-SUN" USB
4*4882a593Smuzhiyun * adapter for pre-USB Sun keyboards
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Copyright (c) 2011 Google, Inc.
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Based on HID apple driver by
9*4882a593Smuzhiyun * Copyright (c) 1999 Andreas Gal
10*4882a593Smuzhiyun * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
11*4882a593Smuzhiyun * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
12*4882a593Smuzhiyun * Copyright (c) 2006-2007 Jiri Kosina
13*4882a593Smuzhiyun * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
14*4882a593Smuzhiyun */
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun /*
17*4882a593Smuzhiyun */
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #include <linux/device.h>
20*4882a593Smuzhiyun #include <linux/input.h>
21*4882a593Smuzhiyun #include <linux/hid.h>
22*4882a593Smuzhiyun #include <linux/module.h>
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun #include "hid-ids.h"
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun MODULE_AUTHOR("Jonathan Klabunde Tomer <jktomer@google.com>");
27*4882a593Smuzhiyun MODULE_DESCRIPTION("HID driver for Network Technologies USB-SUN keyboard adapter");
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun /*
30*4882a593Smuzhiyun * NTI Sun keyboard adapter has wrong logical maximum in report descriptor
31*4882a593Smuzhiyun */
nti_usbsun_report_fixup(struct hid_device * hdev,__u8 * rdesc,unsigned int * rsize)32*4882a593Smuzhiyun static __u8 *nti_usbsun_report_fixup(struct hid_device *hdev, __u8 *rdesc,
33*4882a593Smuzhiyun unsigned int *rsize)
34*4882a593Smuzhiyun {
35*4882a593Smuzhiyun if (*rsize >= 60 && rdesc[53] == 0x65 && rdesc[59] == 0x65) {
36*4882a593Smuzhiyun hid_info(hdev, "fixing up NTI USB-SUN keyboard adapter report descriptor\n");
37*4882a593Smuzhiyun rdesc[53] = rdesc[59] = 0xe7;
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun return rdesc;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun static const struct hid_device_id nti_devices[] = {
43*4882a593Smuzhiyun { HID_USB_DEVICE(USB_VENDOR_ID_NTI, USB_DEVICE_ID_USB_SUN) },
44*4882a593Smuzhiyun { }
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun MODULE_DEVICE_TABLE(hid, nti_devices);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun static struct hid_driver nti_driver = {
49*4882a593Smuzhiyun .name = "nti",
50*4882a593Smuzhiyun .id_table = nti_devices,
51*4882a593Smuzhiyun .report_fixup = nti_usbsun_report_fixup
52*4882a593Smuzhiyun };
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun module_hid_driver(nti_driver);
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun MODULE_LICENSE("GPL");
57