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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
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/*
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* Jabra USB HID Driver
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*
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* Copyright (c) 2017 Niels Skou Olsen <nolsen@jabra.com>
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*/
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#include <linux/hid.h>
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#include <linux/module.h>
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#include "hid-ids.h"
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#define HID_UP_VENDOR_DEFINED_MIN 0xff000000
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#define HID_UP_VENDOR_DEFINED_MAX 0xffff0000
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static int jabra_input_mapping(struct hid_device *hdev,
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struct hid_input *hi,
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struct hid_field *field,
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struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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int is_vendor_defined =
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((usage->hid & HID_USAGE_PAGE) >= HID_UP_VENDOR_DEFINED_MIN &&
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(usage->hid & HID_USAGE_PAGE) <= HID_UP_VENDOR_DEFINED_MAX);
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dbg_hid("hid=0x%08x appl=0x%08x coll_idx=0x%02x usage_idx=0x%02x: %s\n",
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usage->hid,
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field->application,
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usage->collection_index,
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usage->usage_index,
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is_vendor_defined ? "ignored" : "defaulted");
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/* Ignore vendor defined usages, default map standard usages */
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return is_vendor_defined ? -1 : 0;
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}
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static const struct hid_device_id jabra_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, HID_ANY_ID) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, jabra_devices);
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static struct hid_driver jabra_driver = {
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.name = "jabra",
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.id_table = jabra_devices,
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.input_mapping = jabra_input_mapping,
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};
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module_hid_driver(jabra_driver);
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MODULE_AUTHOR("Niels Skou Olsen <nolsen@jabra.com>");
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MODULE_DESCRIPTION("Jabra USB HID Driver");
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MODULE_LICENSE("GPL");
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