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

   1/*
   2 *  HID driver for LC Power Model RC1000MCE
   3 *
   4 *  Copyright (c) 2011 Chris Schlund 
   5 *  based on hid-topseed module
   6 */
   7
   8/*
   9 * This program is free software; you can redistribute it and/or modify it
  10 * under the terms of the GNU General Public License as published by the Free
  11 * Software Foundation; either version 2 of the License, or (at your option)
  12 * any later version.
  13 */
  14
  15#include <linux/device.h>
  16#include <linux/hid.h>
  17#include <linux/module.h>
  18
  19#include "hid-ids.h"
  20
  21#define ts_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
  22                                        EV_KEY, (c))
  23static int ts_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  24                struct hid_field *field, struct hid_usage *usage,
  25                unsigned long **bit, int *max)
  26{
  27        if ((usage->hid & HID_USAGE_PAGE) != 0x0ffbc0000)
  28                return 0;
  29
  30        switch (usage->hid & HID_USAGE) {
  31        case 0x046: ts_map_key_clear(KEY_YELLOW);         break;
  32        case 0x047: ts_map_key_clear(KEY_GREEN);          break;
  33        case 0x049: ts_map_key_clear(KEY_BLUE);           break;
  34        case 0x04a: ts_map_key_clear(KEY_RED);            break;
  35        case 0x00d: ts_map_key_clear(KEY_HOME);           break;
  36        case 0x025: ts_map_key_clear(KEY_TV);             break;
  37        case 0x048: ts_map_key_clear(KEY_VCR);            break;
  38        case 0x024: ts_map_key_clear(KEY_MENU);           break;
  39        default:
  40        return 0;
  41        }
  42
  43        return 1;
  44}
  45
  46static const struct hid_device_id ts_devices[] = {
  47        { HID_USB_DEVICE( USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000) },
  48        { }
  49};
  50MODULE_DEVICE_TABLE(hid, ts_devices);
  51
  52static struct hid_driver ts_driver = {
  53        .name = "LC RC1000MCE",
  54        .id_table = ts_devices,
  55        .input_mapping = ts_input_mapping,
  56};
  57
  58static int __init ts_init(void)
  59{
  60        return hid_register_driver(&ts_driver);
  61}
  62
  63static void __exit ts_exit(void)
  64{
  65        hid_unregister_driver(&ts_driver);
  66}
  67
  68module_init(ts_init);
  69module_exit(ts_exit);
  70MODULE_LICENSE("GPL");
  71