linux/drivers/hid/hid-elecom.c
Richard Nauber 64b386ea16 HID: add proper support for Elecom BM084 bluetooth mouse
This patch removes the annoying feature of Elecoms BM084 to constantly scroll to the right.
The device can be found at:
http://www.dealextreme.com/details.dx/sku.15402

Signed-off-by: Richard Nauber <Richard.Nauber@gmail.com>
[jkosina@suse.cz: fix build error]
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-06-28 19:02:47 +02:00

58 lines
1.4 KiB
C

/*
* HID driver for Elecom BM084 (bluetooth mouse).
* Removes a non-existing horizontal wheel from
* the HID descriptor.
* (This module is based on "hid-ortek".)
*
* Copyright (c) 2010 Richard Nauber <Richard.Nauber@gmail.com>
*/
/*
* 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 <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include "hid-ids.h"
static void elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc,
unsigned int rsize)
{
if (rsize >= 48 && rdesc[46] == 0x05 && rdesc[47] == 0x0c) {
dev_info(&hdev->dev, "Fixing up Elecom BM084 "
"report descriptor.\n");
rdesc[47] = 0x00;
}
}
static const struct hid_device_id elecom_devices[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084)},
{ }
};
MODULE_DEVICE_TABLE(hid, elecom_devices);
static struct hid_driver elecom_driver = {
.name = "elecom",
.id_table = elecom_devices,
.report_fixup = elecom_report_fixup
};
static int __init elecom_init(void)
{
return hid_register_driver(&elecom_driver);
}
static void __exit elecom_exit(void)
{
hid_unregister_driver(&elecom_driver);
}
module_init(elecom_init);
module_exit(elecom_exit);
MODULE_LICENSE("GPL");