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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Jabra USB HID Driver4 *5 * Copyright (c) 2017 Niels Skou Olsen <nolsen@jabra.com>6 */7 8/*9 */10 11#include <linux/hid.h>12#include <linux/module.h>13 14#include "hid-ids.h"15 16#define HID_UP_VENDOR_DEFINED_MIN 0xff00000017#define HID_UP_VENDOR_DEFINED_MAX 0xffff000018 19static int jabra_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 int is_vendor_defined =26 ((usage->hid & HID_USAGE_PAGE) >= HID_UP_VENDOR_DEFINED_MIN &&27 (usage->hid & HID_USAGE_PAGE) <= HID_UP_VENDOR_DEFINED_MAX);28 29 dbg_hid("hid=0x%08x appl=0x%08x coll_idx=0x%02x usage_idx=0x%02x: %s\n",30 usage->hid,31 field->application,32 usage->collection_index,33 usage->usage_index,34 is_vendor_defined ? "ignored" : "defaulted");35 36 /* Ignore vendor defined usages, default map standard usages */37 return is_vendor_defined ? -1 : 0;38}39 40static const struct hid_device_id jabra_devices[] = {41 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, HID_ANY_ID) },42 { }43};44MODULE_DEVICE_TABLE(hid, jabra_devices);45 46static struct hid_driver jabra_driver = {47 .name = "jabra",48 .id_table = jabra_devices,49 .input_mapping = jabra_input_mapping,50};51module_hid_driver(jabra_driver);52 53MODULE_AUTHOR("Niels Skou Olsen <nolsen@jabra.com>");54MODULE_DESCRIPTION("Jabra USB HID Driver");55MODULE_LICENSE("GPL");56