hid-jabra.c 1.4 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * Jabra USB HID Driver
  4. *
  5. * Copyright (c) 2017 Niels Skou Olsen <nolsen@jabra.com>
  6. */
  7. /*
  8. */
  9. #include <linux/hid.h>
  10. #include <linux/module.h>
  11. #include "hid-ids.h"
  12. #define HID_UP_VENDOR_DEFINED_MIN 0xff000000
  13. #define HID_UP_VENDOR_DEFINED_MAX 0xffff0000
  14. static int jabra_input_mapping(struct hid_device *hdev,
  15. struct hid_input *hi,
  16. struct hid_field *field,
  17. struct hid_usage *usage,
  18. unsigned long **bit, int *max)
  19. {
  20. int is_vendor_defined =
  21. ((usage->hid & HID_USAGE_PAGE) >= HID_UP_VENDOR_DEFINED_MIN &&
  22. (usage->hid & HID_USAGE_PAGE) <= HID_UP_VENDOR_DEFINED_MAX);
  23. dbg_hid("hid=0x%08x appl=0x%08x coll_idx=0x%02x usage_idx=0x%02x: %s\n",
  24. usage->hid,
  25. field->application,
  26. usage->collection_index,
  27. usage->usage_index,
  28. is_vendor_defined ? "ignored" : "defaulted");
  29. /* Ignore vendor defined usages, default map standard usages */
  30. return is_vendor_defined ? -1 : 0;
  31. }
  32. static const struct hid_device_id jabra_devices[] = {
  33. { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, HID_ANY_ID) },
  34. { }
  35. };
  36. MODULE_DEVICE_TABLE(hid, jabra_devices);
  37. static struct hid_driver jabra_driver = {
  38. .name = "jabra",
  39. .id_table = jabra_devices,
  40. .input_mapping = jabra_input_mapping,
  41. };
  42. module_hid_driver(jabra_driver);
  43. MODULE_AUTHOR("Niels Skou Olsen <nolsen@jabra.com>");
  44. MODULE_DESCRIPTION("Jabra USB HID Driver");
  45. MODULE_LICENSE("GPL");