hid-accutouch.c 1.2 KB

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  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. #include <linux/hid.h>
  14. #include <linux/module.h>
  15. #include "hid-ids.h"
  16. static int accutouch_input_mapping(struct hid_device *hdev,
  17. struct hid_input *hi,
  18. struct hid_field *field,
  19. struct hid_usage *usage,
  20. unsigned long **bit, int *max)
  21. {
  22. if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) {
  23. hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
  24. return 1;
  25. }
  26. return 0;
  27. }
  28. static const struct hid_device_id accutouch_devices[] = {
  29. { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) },
  30. { }
  31. };
  32. MODULE_DEVICE_TABLE(hid, accutouch_devices);
  33. static struct hid_driver accutouch_driver = {
  34. .name = "hid-accutouch",
  35. .id_table = accutouch_devices,
  36. .input_mapping = accutouch_input_mapping,
  37. };
  38. module_hid_driver(accutouch_driver);
  39. MODULE_AUTHOR("Martyn Welch <martyn.welch@collabora.co.uk");
  40. MODULE_DESCRIPTION("Elo Accutouch HID TouchScreen driver");
  41. MODULE_LICENSE("GPL");