Add Lenovo ideapad driver

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 79baa63..044f430 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -219,6 +219,13 @@
 	  ---help---
 	  Build the sonypi driver compatibility code into the sony-laptop driver.
 
+config IDEAPAD_ACPI
+	tristate "Lenovo IdeaPad ACPI Laptop Extras"
+	depends on ACPI
+	depends on RFKILL
+	help
+	  This is a driver for the rfkill switches on Lenovo IdeaPad netbooks.
+
 config THINKPAD_ACPI
 	tristate "ThinkPad ACPI Laptop Extras"
 	depends on ACPI