2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HID driver for some belkin "special" devices
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*
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* Copyright (c) 1999 Andreas Gal
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* Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
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* Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
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* Copyright (c) 2006-2007 Jiri Kosina
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* Copyright (c) 2008 Jiri Slaby
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*/
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/*
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*/
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#include <linux/device.h>
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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 BELKIN_HIDDEV 0x01
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#define BELKIN_WKBD 0x02
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#define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \
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EV_KEY, (c))
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static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi,
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struct hid_field *field, struct hid_usage *usage,
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unsigned long **bit, int *max)
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{
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unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
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if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER ||
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!(quirks & BELKIN_WKBD))
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return 0;
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switch (usage->hid & HID_USAGE) {
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case 0x03a: belkin_map_key_clear(KEY_SOUND); break;
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case 0x03b: belkin_map_key_clear(KEY_CAMERA); break;
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case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break;
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default:
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return 0;
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}
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return 1;
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}
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static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id)
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{
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unsigned long quirks = id->driver_data;
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int ret;
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hid_set_drvdata(hdev, (void *)quirks);
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ret = hid_parse(hdev);
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if (ret) {
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hid_err(hdev, "parse failed\n");
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goto err_free;
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}
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ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT |
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((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0));
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if (ret) {
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hid_err(hdev, "hw start failed\n");
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goto err_free;
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}
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return 0;
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err_free:
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return ret;
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}
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static const struct hid_device_id belkin_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM),
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.driver_data = BELKIN_HIDDEV },
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{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD),
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.driver_data = BELKIN_WKBD },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, belkin_devices);
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static struct hid_driver belkin_driver = {
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.name = "belkin",
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.id_table = belkin_devices,
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.input_mapping = belkin_input_mapping,
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.probe = belkin_probe,
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};
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module_hid_driver(belkin_driver);
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MODULE_LICENSE("GPL");
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