| /* | 
 |  * HID driver for Elo Accutouch touchscreens | 
 |  * | 
 |  * Copyright (c) 2016, Collabora Ltd. | 
 |  * Copyright (c) 2016, General Electric Company | 
 |  * | 
 |  * based on hid-penmount.c | 
 |  *  Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com> | 
 |  */ | 
 |  | 
 | /* | 
 |  * 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/hid.h> | 
 | #include <linux/module.h> | 
 | #include "hid-ids.h" | 
 |  | 
 | static int accutouch_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_BUTTON) { | 
 | 		hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); | 
 | 		return 1; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static const struct hid_device_id accutouch_devices[] = { | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) }, | 
 | 	{ } | 
 | }; | 
 | MODULE_DEVICE_TABLE(hid, accutouch_devices); | 
 |  | 
 | static struct hid_driver accutouch_driver = { | 
 | 	.name = "hid-accutouch", | 
 | 	.id_table = accutouch_devices, | 
 | 	.input_mapping = accutouch_input_mapping, | 
 | }; | 
 |  | 
 | module_hid_driver(accutouch_driver); | 
 |  | 
 | MODULE_AUTHOR("Martyn Welch <martyn.welch@collabora.co.uk"); | 
 | MODULE_DESCRIPTION("Elo Accutouch HID TouchScreen driver"); | 
 | MODULE_LICENSE("GPL"); |