Input: introduce usb_to_input_id() to uniformly produce

       struct input_id for USB input devices.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 25 insertions, 0 deletions

diff --git a/include/linux/usb_input.h b/include/linux/usb_input.h
new file mode 100644
index 000000000000..716e0cc16043
--- /dev/null
+++ b/include/linux/usb_input.h
@@ -0,0 +1,25 @@
+#ifndef __USB_INPUT_H
+#define __USB_INPUT_H
+
+/*
+ * Copyright (C) 2005 Dmitry Torokhov
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#include <linux/usb.h>
+#include <linux/input.h>
+#include <asm/byteorder.h>
+
+static inline void
+usb_to_input_id(const struct usb_device *dev, struct input_id *id)
+{
+        id->bustype = BUS_USB;
+        id->vendor = le16_to_cpu(dev->descriptor.idVendor);
+        id->product = le16_to_cpu(dev->descriptor.idProduct);
+        id->version = le16_to_cpu(dev->descriptor.bcdDevice);
+}
+
+#endif