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/ati_remote.c b/drivers/usb/input/ati_remote.c
index 654ac45..fd99681 100644
--- a/drivers/usb/input/ati_remote.c
+++ b/drivers/usb/input/ati_remote.c
@@ -94,6 +94,7 @@
 #include <linux/moduleparam.h>
 #include <linux/input.h>
 #include <linux/usb.h>
+#include <linux/usb_input.h>
 #include <linux/wait.h>
 
 /*
@@ -635,11 +636,8 @@
 	idev->name = ati_remote->name;
 	idev->phys = ati_remote->phys;
 
-	idev->id.bustype = BUS_USB;
-	idev->id.vendor = le16_to_cpu(ati_remote->udev->descriptor.idVendor);
-	idev->id.product = le16_to_cpu(ati_remote->udev->descriptor.idProduct);
-	idev->id.version = le16_to_cpu(ati_remote->udev->descriptor.bcdDevice);
-	idev->dev = &(ati_remote->udev->dev);
+	usb_to_input_id(ati_remote->udev, &idev->id);
+	idev->dev = &ati_remote->udev->dev;
 }
 
 static int ati_remote_initialize(struct ati_remote *ati_remote)