HID: Fix reporting of nonexistent HWheel 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@xxxxxxxxx> --- drivers/hid/Kconfig | 6 +++++ drivers/hid/Makefile | 1 + drivers/hid/hid-elecom.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++ drivers/hid/hid-ids.h | 3 ++ 4 files changed, 67 insertions(+), 0 deletions(-) create mode 100644 drivers/hid/hid-elecom.c diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 132278f..0eac193 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -148,6 +148,12 @@ config HID_EGALAX ---help--- Support for the eGalax dual-touch panel. +config HID_ELECOM + tristate "ELECOM" + depends on USB_HID + ---help--- + Support for the ELECOM BM084 (bluetooth mouse). + config HID_EZKEY tristate "Ezkey" if EMBEDDED depends on USB_HID diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 987fa06..2ec042f 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -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 diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c new file mode 100644 index 0000000..7a40878 --- /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@xxxxxxxxx> + */ + +/* + * 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"); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 6af77ed..55cecb7 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -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 -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
