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>
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@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");