From cd9ec30da58bcd8ab154eba9eb54d16c67e7ef3b Mon Sep 17 00:00:00 2001 From: Johnathon Harris Date: Thu, 21 Jan 2010 14:36:52 +0000 Subject: HID: add support for Ortek WKB-2000 This patch adds a new USB HID driver for the Ortek WKB-2000, working around an incorrect LogicalMaximum value in the USB resource descriptor. Tracked by http://bugzilla.kernel.org/show_bug.cgi?id=14787 Bug originally reported by Ubuntu users: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/405390 Signed-off-by: Johnathon Harris Tested-by: Daniel J Blueman Signed-off-by: Jiri Kosina --- drivers/hid/hid-ortek.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 drivers/hid/hid-ortek.c (limited to 'drivers/hid/hid-ortek.c') diff --git a/drivers/hid/hid-ortek.c b/drivers/hid/hid-ortek.c new file mode 100644 index 000000000000..aa9a960f73a4 --- /dev/null +++ b/drivers/hid/hid-ortek.c @@ -0,0 +1,56 @@ +/* + * HID driver for Ortek WKB-2000 (wireless keyboard + mouse trackpad). + * Fixes LogicalMaximum error in USB report description, see + * http://bugzilla.kernel.org/show_bug.cgi?id=14787 + * + * Copyright (c) 2010 Johnathon Harris + */ + +/* + * 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. + */ + +#include +#include +#include + +#include "hid-ids.h" + +static void ortek_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int rsize) +{ + if (rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x01) { + dev_info(&hdev->dev, "Fixing up Ortek WKB-2000 " + "report descriptor.\n"); + rdesc[55] = 0x92; + } +} + +static const struct hid_device_id ortek_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ortek_devices); + +static struct hid_driver ortek_driver = { + .name = "ortek", + .id_table = ortek_devices, + .report_fixup = ortek_report_fixup +}; + +static int __init ortek_init(void) +{ + return hid_register_driver(&ortek_driver); +} + +static void __exit ortek_exit(void) +{ + hid_unregister_driver(&ortek_driver); +} + +module_init(ortek_init); +module_exit(ortek_exit); +MODULE_LICENSE("GPL"); -- cgit v1.2.3