diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 696c960..1d0d3e7 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -43,6 +43,7 @@
 config INPUT_COBALT_BTNS
 	tristate "Cobalt button interface"
 	depends on MIPS_COBALT
+	select INPUT_POLLDEV
 	help
 	  Say Y here if you want to support MIPS Cobalt button interface.