1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * HID driver for Elo Accutouch touchscreens |
4 | * |
5 | * Copyright (c) 2016, Collabora Ltd. |
6 | * Copyright (c) 2016, General Electric Company |
7 | * |
8 | * based on hid-penmount.c |
9 | * Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com> |
10 | */ |
11 | |
12 | /* |
13 | */ |
14 | |
15 | #include <linux/hid.h> |
16 | #include <linux/module.h> |
17 | #include "hid-ids.h" |
18 | |
19 | static int accutouch_input_mapping(struct hid_device *hdev, |
20 | struct hid_input *hi, |
21 | struct hid_field *field, |
22 | struct hid_usage *usage, |
23 | unsigned long **bit, int *max) |
24 | { |
25 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
26 | hid_map_usage(hidinput: hi, usage, bit, max, EV_KEY, BTN_TOUCH); |
27 | return 1; |
28 | } |
29 | |
30 | return 0; |
31 | } |
32 | |
33 | static const struct hid_device_id accutouch_devices[] = { |
34 | { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) }, |
35 | { } |
36 | }; |
37 | MODULE_DEVICE_TABLE(hid, accutouch_devices); |
38 | |
39 | static struct hid_driver accutouch_driver = { |
40 | .name = "hid-accutouch" , |
41 | .id_table = accutouch_devices, |
42 | .input_mapping = accutouch_input_mapping, |
43 | }; |
44 | |
45 | module_hid_driver(accutouch_driver); |
46 | |
47 | MODULE_AUTHOR("Martyn Welch <martyn.welch@collabora.co.uk" ); |
48 | MODULE_DESCRIPTION("Elo Accutouch HID TouchScreen driver" ); |
49 | MODULE_LICENSE("GPL" ); |
50 | |