kernel_samsung_a34x-permissive/drivers/hid/hid-accutouch.c

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/*
* 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");