LXR linux/drivers/hid/hid-nti.c

   1/*
   2 *  USB HID quirks support for Network Technologies, Inc. "USB-SUN" USB
   3 *  adapter for pre-USB Sun keyboards
   4 *
   5 *  Copyright (c) 2011 Google, Inc.
   6 *
   7 * Based on HID apple driver by
   8 *  Copyright (c) 1999 Andreas Gal
   9 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
  10 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
  11 *  Copyright (c) 2006-2007 Jiri Kosina
  12 *  Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
  13 */
  14
  15/*
  16 * This program is free software; you can redistribute it and/or modify it
  17 * under the terms of the GNU General Public License as published by the Free
  18 * Software Foundation; either version 2 of the License, or (at your option)
  19 * any later version.
  20 */
  21
  22#include <linux/device.h>
  23#include <linux/input.h>
  24#include <linux/hid.h>
  25#include <linux/module.h>
  26
  27#include "hid-ids.h"
  28
  29MODULE_AUTHOR("Jonathan Klabunde Tomer <jktomer@google.com>");
  30MODULE_DESCRIPTION("HID driver for Network Technologies USB-SUN keyboard adapter");
  31
  32/*
  33 * NTI Sun keyboard adapter has wrong logical maximum in report descriptor
  34 */
  35static __u8 *nti_usbsun_report_fixup(struct hid_device *hdev, __u8 *rdesc,
  36                unsigned int *rsize)
  37{
  38        if (*rsize >= 60 && rdesc[53] == 0x65 && rdesc[59] == 0x65) {
  39                hid_info(hdev, "fixing up NTI USB-SUN keyboard adapter report descriptor\n");
  40                rdesc[53] = rdesc[59] = 0xe7;
  41        }
  42        return rdesc;
  43}
  44
  45static const struct hid_device_id nti_devices[] = {
  46        { HID_USB_DEVICE(USB_VENDOR_ID_NTI, USB_DEVICE_ID_USB_SUN) },
  47        { }
  48};
  49MODULE_DEVICE_TABLE(hid, nti_devices);
  50
  51static struct hid_driver nti_driver = {
  52        .name = "nti",
  53        .id_table = nti_devices,
  54        .report_fixup = nti_usbsun_report_fixup
  55};
  56
  57module_hid_driver(nti_driver);
  58
  59MODULE_LICENSE("GPL");
  60