--- zzzz-none-000/linux-2.6.32.61/drivers/input/misc/Kconfig	2013-06-10 09:43:48.000000000 +0000
+++ virian-300e-630/linux-2.6.32.61/drivers/input/misc/Kconfig	2011-07-20 07:23:51.000000000 +0000
@@ -317,4 +317,20 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called pcap_keys.
 
+config INPUT_GPIO_BUTTONS
+	tristate "Polled GPIO buttons interface"
+	depends on GENERIC_GPIO
+	select INPUT_POLLDEV
+	help
+	  This driver implements support for buttons connected
+	  to GPIO pins of various CPUs (and some other chips).
+
+	  Say Y here if your device has buttons connected
+	  directly to such GPIO pins.  Your board-specific
+	  setup logic must also provide a platform device,
+	  with configuration data saying which GPIOs are used.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called gpio-buttons.
+
 endif