| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * HID driver for Elo Accutouch touchscreens |
| 3 | * |
| 4 | * Copyright (c) 2016, Collabora Ltd. |
| 5 | * Copyright (c) 2016, General Electric Company |
| 6 | * |
| 7 | * based on hid-penmount.c |
| 8 | * Copyright (c) 2014 Christian Gmeiner <christian.gmeiner <at> gmail.com> |
| 9 | */ |
| 10 | |
| 11 | /* |
| 12 | * This program is free software; you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU General Public License as published by the Free |
| 14 | * Software Foundation; either version 2 of the License, or (at your option) |
| 15 | * any later version. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/hid.h> |
| 19 | #include <linux/module.h> |
| 20 | #include "hid-ids.h" |
| 21 | |
| 22 | static int accutouch_input_mapping(struct hid_device *hdev, |
| 23 | struct hid_input *hi, |
| 24 | struct hid_field *field, |
| 25 | struct hid_usage *usage, |
| 26 | unsigned long **bit, int *max) |
| 27 | { |
| 28 | if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) { |
| 29 | hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); |
| 30 | return 1; |
| 31 | } |
| 32 | |
| 33 | return 0; |
| 34 | } |
| 35 | |
| 36 | static const struct hid_device_id accutouch_devices[] = { |
| 37 | { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) }, |
| 38 | { } |
| 39 | }; |
| 40 | MODULE_DEVICE_TABLE(hid, accutouch_devices); |
| 41 | |
| 42 | static struct hid_driver accutouch_driver = { |
| 43 | .name = "hid-accutouch", |
| 44 | .id_table = accutouch_devices, |
| 45 | .input_mapping = accutouch_input_mapping, |
| 46 | }; |
| 47 | |
| 48 | module_hid_driver(accutouch_driver); |
| 49 | |
| 50 | MODULE_AUTHOR("Martyn Welch <martyn.welch@collabora.co.uk"); |
| 51 | MODULE_DESCRIPTION("Elo Accutouch HID TouchScreen driver"); |
| 52 | MODULE_LICENSE("GPL"); |