Input: introduce usb_to_input_id() to uniformly produce
       struct input_id for USB input devices.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/usb/input/usbkbd.c b/drivers/usb/input/usbkbd.c
index f35db19..28987f1 100644
--- a/drivers/usb/input/usbkbd.c
+++ b/drivers/usb/input/usbkbd.c
@@ -32,6 +32,7 @@
 #include <linux/input.h>
 #include <linux/init.h>
 #include <linux/usb.h>
+#include <linux/usb_input.h>
 
 /*
  * Version Information
@@ -288,10 +289,7 @@
 
 	kbd->dev.name = kbd->name;
 	kbd->dev.phys = kbd->phys;
-	kbd->dev.id.bustype = BUS_USB;
-	kbd->dev.id.vendor = le16_to_cpu(dev->descriptor.idVendor);
-	kbd->dev.id.product = le16_to_cpu(dev->descriptor.idProduct);
-	kbd->dev.id.version = le16_to_cpu(dev->descriptor.bcdDevice);
+	usb_to_input_id(dev, &kbd->dev.id);
 	kbd->dev.dev = &iface->dev;
 
 	if (dev->manufacturer)