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author | Richard Nauber <richard.nauber@googlemail.com> | 2010-06-28 20:54:25 +0400 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-06-28 21:02:47 +0400 |
commit | 64b386ea16112564e0b93473e2c347125effb6b2 (patch) | |
tree | f09a8f9e93c267c4f9039f9f246bea95cf2347a6 /drivers/hid/hid-elecom.c | |
parent | 83efb8fe671af3c7b5613868aadc93ce973b6c3d (diff) | |
download | linux-64b386ea16112564e0b93473e2c347125effb6b2.tar.xz |
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>
Diffstat (limited to 'drivers/hid/hid-elecom.c')
-rw-r--r-- | drivers/hid/hid-elecom.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c new file mode 100644 index 000000000000..7a40878f46b4 --- /dev/null +++ b/drivers/hid/hid-elecom.c @@ -0,0 +1,57 @@ +/* + * 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"); |