diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 585db6fa64b810df75befe4975a37f776389ad1b..242c5248fdeaa3011f577972490ba560553cf9e3 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -300,8 +300,10 @@ config IDEAPAD_LAPTOP
 	depends on RFKILL && INPUT
 	depends on SERIO_I8042
 	select INPUT_SPARSEKMAP
+	select BACKLIGHT_CLASS_DEVICE
 	help
-	  This is a driver for the rfkill switches on Lenovo IdeaPad netbooks.
+	  This is a driver for Lenovo IdeaPad netbooks contains drivers for
+	  rfkill switch, hotkey, fan control and backlight control.
 
 config THINKPAD_ACPI
 	tristate "ThinkPad ACPI Laptop Extras"