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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>
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* HID driver for various devices which are apparently based on the same chipset
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* from certain vendor which produces chips that contain wrong LogicalMaximum
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* value in their HID report descriptor. Currently supported devices are:
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*
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* Ortek PKB-1700
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* Ortek WKB-2000
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* iHome IMAC-A210S
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* Skycable wireless presenter
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*
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* Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
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* Copyright (c) 2011 Jiri Kosina
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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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static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc,
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unsigned int *rsize)
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{
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if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) {
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hid_info(hdev, "Fixing up logical maximum in report descriptor (Ortek)\n");
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rdesc[55] = 0x92;
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} else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) {
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hid_info(hdev, "Fixing up logical maximum in report descriptor (Skycable)\n");
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rdesc[53] = 0x65;
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}
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return rdesc;
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}
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static const struct hid_device_id ortek_devices[] = {
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{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) },
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{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
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{ }
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};
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MODULE_DEVICE_TABLE(hid, ortek_devices);
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static struct hid_driver ortek_driver = {
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.name = "ortek",
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.id_table = ortek_devices,
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.report_fixup = ortek_report_fixup
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};
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module_hid_driver(ortek_driver);
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MODULE_LICENSE("GPL");
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