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2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
c846fe9c MW |
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 | /* | |
c846fe9c MW |
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(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"); |