Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / hid / hid-elecom.c
diff --git a/kernel/drivers/hid/hid-elecom.c b/kernel/drivers/hid/hid-elecom.c
new file mode 100644 (file)
index 0000000..d0bd13b
--- /dev/null
@@ -0,0 +1,46 @@
+/*
+ *  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 __u8 *elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+               unsigned int *rsize)
+{
+       if (*rsize >= 48 && rdesc[46] == 0x05 && rdesc[47] == 0x0c) {
+               hid_info(hdev, "Fixing up Elecom BM084 report descriptor\n");
+               rdesc[47] = 0x00;
+       }
+    return rdesc;
+}
+
+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
+};
+module_hid_driver(elecom_driver);
+
+MODULE_LICENSE("GPL");