| /* | 
 |  * HID driver for some ITE "special" devices | 
 |  * Copyright (c) 2017 Hans de Goede <hdegoede@redhat.com> | 
 |  * | 
 |  * This program is free software; you can redistribute it and/or modify | 
 |  * it under the terms of the GNU General Public License version 2 as | 
 |  * published by the Free Software Foundation. | 
 |  */ | 
 |  | 
 | #include <linux/device.h> | 
 | #include <linux/input.h> | 
 | #include <linux/hid.h> | 
 | #include <linux/module.h> | 
 |  | 
 | #include "hid-ids.h" | 
 |  | 
 | static int ite_event(struct hid_device *hdev, struct hid_field *field, | 
 | 		     struct hid_usage *usage, __s32 value) | 
 | { | 
 | 	struct input_dev *input; | 
 |  | 
 | 	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput) | 
 | 		return 0; | 
 |  | 
 | 	input = field->hidinput->input; | 
 |  | 
 | 	/* | 
 | 	 * The ITE8595 always reports 0 as value for the rfkill button. Luckily | 
 | 	 * it is the only button in its report, and it sends a report on | 
 | 	 * release only, so receiving a report means the button was pressed. | 
 | 	 */ | 
 | 	if (usage->hid == HID_GD_RFKILL_BTN) { | 
 | 		input_event(input, EV_KEY, KEY_RFKILL, 1); | 
 | 		input_sync(input); | 
 | 		input_event(input, EV_KEY, KEY_RFKILL, 0); | 
 | 		input_sync(input); | 
 | 		return 1; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static const struct hid_device_id ite_devices[] = { | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) }, | 
 | 	{ HID_USB_DEVICE(USB_VENDOR_ID_258A, USB_DEVICE_ID_258A_6A88) }, | 
 | 	{ } | 
 | }; | 
 | MODULE_DEVICE_TABLE(hid, ite_devices); | 
 |  | 
 | static struct hid_driver ite_driver = { | 
 | 	.name = "itetech", | 
 | 	.id_table = ite_devices, | 
 | 	.event = ite_event, | 
 | }; | 
 | module_hid_driver(ite_driver); | 
 |  | 
 | MODULE_LICENSE("GPL"); |