12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 2cd9ec30dSJohnathon Harris /* 3d586dca0SJiri Kosina * HID driver for various devices which are apparently based on the same chipset 4d586dca0SJiri Kosina * from certain vendor which produces chips that contain wrong LogicalMaximum 5d586dca0SJiri Kosina * value in their HID report descriptor. Currently supported devices are: 6d586dca0SJiri Kosina * 7d586dca0SJiri Kosina * Ortek PKB-1700 8d586dca0SJiri Kosina * Ortek WKB-2000 9c228352dSBenjamin Tissoires * iHome IMAC-A210S 10d586dca0SJiri Kosina * Skycable wireless presenter 11cd9ec30dSJohnathon Harris * 12cd9ec30dSJohnathon Harris * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> 13d586dca0SJiri Kosina * Copyright (c) 2011 Jiri Kosina 14cd9ec30dSJohnathon Harris */ 15cd9ec30dSJohnathon Harris 16cd9ec30dSJohnathon Harris /* 17cd9ec30dSJohnathon Harris */ 18cd9ec30dSJohnathon Harris 19cd9ec30dSJohnathon Harris #include <linux/device.h> 20cd9ec30dSJohnathon Harris #include <linux/hid.h> 21cd9ec30dSJohnathon Harris #include <linux/module.h> 22cd9ec30dSJohnathon Harris 23cd9ec30dSJohnathon Harris #include "hid-ids.h" 24cd9ec30dSJohnathon Harris 2573e4008dSNikolai Kondrashov static __u8 *ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, 2673e4008dSNikolai Kondrashov unsigned int *rsize) 27cd9ec30dSJohnathon Harris { 2873e4008dSNikolai Kondrashov if (*rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { 29c228352dSBenjamin Tissoires hid_info(hdev, "Fixing up logical maximum in report descriptor (Ortek)\n"); 30cd9ec30dSJohnathon Harris rdesc[55] = 0x92; 31d586dca0SJiri Kosina } else if (*rsize >= 54 && rdesc[52] == 0x25 && rdesc[53] == 0x01) { 32c228352dSBenjamin Tissoires hid_info(hdev, "Fixing up logical maximum in report descriptor (Skycable)\n"); 33d586dca0SJiri Kosina rdesc[53] = 0x65; 34cd9ec30dSJohnathon Harris } 3573e4008dSNikolai Kondrashov return rdesc; 36cd9ec30dSJohnathon Harris } 37cd9ec30dSJohnathon Harris 38cd9ec30dSJohnathon Harris static const struct hid_device_id ortek_devices[] = { 39270fdc07SHerton Ronaldo Krzesinski { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, 40cd9ec30dSJohnathon Harris { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, 41c228352dSBenjamin Tissoires { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) }, 42d586dca0SJiri Kosina { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, 43cd9ec30dSJohnathon Harris { } 44cd9ec30dSJohnathon Harris }; 45cd9ec30dSJohnathon Harris MODULE_DEVICE_TABLE(hid, ortek_devices); 46cd9ec30dSJohnathon Harris 47cd9ec30dSJohnathon Harris static struct hid_driver ortek_driver = { 48cd9ec30dSJohnathon Harris .name = "ortek", 49cd9ec30dSJohnathon Harris .id_table = ortek_devices, 50cd9ec30dSJohnathon Harris .report_fixup = ortek_report_fixup 51cd9ec30dSJohnathon Harris }; 52f425458eSH Hartley Sweeten module_hid_driver(ortek_driver); 53cd9ec30dSJohnathon Harris 54*9d262f35SJeff Johnson MODULE_DESCRIPTION("HID driver for Ortek PKB-1700/WKB-2000/Skycable wireless keyboard and mouse trackpad"); 55cd9ec30dSJohnathon Harris MODULE_LICENSE("GPL"); 56