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kernel/linux-imx6_3.14.28/drivers/hid/hid-chicony.c 2.43 KB
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  /*
   *  HID driver for some chicony "special" devices
   *
   *  Copyright (c) 1999 Andreas Gal
   *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
   *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
   *  Copyright (c) 2006-2007 Jiri Kosina
   *  Copyright (c) 2007 Paul Walmsley
   *  Copyright (c) 2008 Jiri Slaby
   */
  
  /*
   * 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/input.h>
  #include <linux/hid.h>
  #include <linux/module.h>
  
  #include "hid-ids.h"
  
  #define ch_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \
  					EV_KEY, (c))
  static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
  		struct hid_field *field, struct hid_usage *usage,
  		unsigned long **bit, int *max)
  {
  	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_MSVENDOR)
  		return 0;
  
  	set_bit(EV_REP, hi->input->evbit);
  	switch (usage->hid & HID_USAGE) {
  	case 0xff01: ch_map_key_clear(BTN_1);	break;
  	case 0xff02: ch_map_key_clear(BTN_2);	break;
  	case 0xff03: ch_map_key_clear(BTN_3);	break;
  	case 0xff04: ch_map_key_clear(BTN_4);	break;
  	case 0xff05: ch_map_key_clear(BTN_5);	break;
  	case 0xff06: ch_map_key_clear(BTN_6);	break;
  	case 0xff07: ch_map_key_clear(BTN_7);	break;
  	case 0xff08: ch_map_key_clear(BTN_8);	break;
  	case 0xff09: ch_map_key_clear(BTN_9);	break;
  	case 0xff0a: ch_map_key_clear(BTN_A);	break;
  	case 0xff0b: ch_map_key_clear(BTN_B);	break;
  	case 0x00f1: ch_map_key_clear(KEY_WLAN);	break;
  	case 0x00f2: ch_map_key_clear(KEY_BRIGHTNESSDOWN);	break;
  	case 0x00f3: ch_map_key_clear(KEY_BRIGHTNESSUP);	break;
  	case 0x00f4: ch_map_key_clear(KEY_DISPLAY_OFF);	break;
  	case 0x00f7: ch_map_key_clear(KEY_CAMERA);	break;
  	case 0x00f8: ch_map_key_clear(KEY_PROG1);	break;
  	default:
  		return 0;
  	}
  	return 1;
  }
  
  static const struct hid_device_id ch_devices[] = {
  	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
  	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
  	{ }
  };
  MODULE_DEVICE_TABLE(hid, ch_devices);
  
  static struct hid_driver ch_driver = {
  	.name = "chicony",
  	.id_table = ch_devices,
  	.input_mapping = ch_input_mapping,
  };
  module_hid_driver(ch_driver);
  
  MODULE_LICENSE("GPL");