/*
   *  HID driver for Keytouch devices not fully compliant with HID standard
   *
   *  Copyright (c) 2011 Jiri Kosina
   */
  
  /*
   * 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 "hid-ids.h"
  
  /* Replace the broken report descriptor of this device with rather
   * a default one */
  static __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 __u8 *keytouch_report_fixup(struct hid_device *hdev, __u8 *rdesc,
  		unsigned int *rsize)
  {
  	hid_info(hdev, "fixing up Keytouch IEC report descriptor
  ");
  
  	rdesc = keytouch_fixed_rdesc;
  	*rsize = sizeof(keytouch_fixed_rdesc);
  
  	return 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,
  };
  
  static int __init keytouch_init(void)
  {
  	return hid_register_driver(&keytouch_driver);
  }
  
  static void __exit keytouch_exit(void)
  {
  	hid_unregister_driver(&keytouch_driver);
  }
  
  module_init(keytouch_init);
  module_exit(keytouch_exit);
  MODULE_LICENSE("GPL");
  MODULE_AUTHOR("Jiri Kosina");