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Commit 64b386ea authored by Richard Nauber's avatar Richard Nauber Committed by Jiri Kosina
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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: default avatarRichard Nauber <Richard.Nauber@gmail.com>
[jkosina@suse.cz: fix build error]
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 83efb8fe

drivers/hid/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -148,6 +148,12 @@ config HID_EGALAX 
	---help---

	Support for the eGalax dual-touch panel.



config HID_ELECOM

	tristate "ELECOM"

	depends on BT_HIDP

	---help---

	Support for the ELECOM BM084 (bluetooth mouse).



config HID_EZKEY

	tristate "Ezkey" if EMBEDDED

	depends on USB_HID

drivers/hid/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -32,6 +32,7 @@ obj-$(CONFIG_HID_CHICONY) += hid-chicony.o 
obj-$(CONFIG_HID_CYPRESS)	+= hid-cypress.o

obj-$(CONFIG_HID_DRAGONRISE)	+= hid-drff.o

obj-$(CONFIG_HID_EGALAX)	+= hid-egalax.o

obj-$(CONFIG_HID_ELECOM)	+= hid-elecom.o

obj-$(CONFIG_HID_EZKEY)		+= hid-ezkey.o

obj-$(CONFIG_HID_GYRATION)	+= hid-gyration.o

obj-$(CONFIG_HID_KENSINGTON)	+= hid-kensington.o

drivers/hid/hid-core.c

+1 −0
Original line number Diff line number Diff line
@@ -1294,6 +1294,7 @@ static const struct hid_device_id hid_blacklist[] = { 
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) },

	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },

	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },

drivers/hid/hid-elecom.c

0 → 100644
+57 −0
Original line number Diff line number Diff line 
/*

 *  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");

drivers/hid/hid-ids.h

+3 −0
Original line number Diff line number Diff line
@@ -186,6 +186,9 @@ 
#define USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER	0x0001

#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH	0x480d



#define USB_VENDOR_ID_ELECOM		0x056e

#define USB_DEVICE_ID_ELECOM_BM084	0x0061



#define USB_VENDOR_ID_ELO		0x04E7

#define USB_DEVICE_ID_ELO_TS2700	0x0020