diff --git a/[refs] b/[refs]
index 69b5f5c9eaf6..748c0cfe8c18 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ac7b9004909d03d67016368093e81d37cae72895
+refs/heads/master: 77a592655cdb8d838b85fd7ecf8f36fd2870abfc
diff --git a/trunk/drivers/misc/Kconfig b/trunk/drivers/misc/Kconfig
index 56073199ceba..c64e6798878a 100644
--- a/trunk/drivers/misc/Kconfig
+++ b/trunk/drivers/misc/Kconfig
@@ -217,6 +217,7 @@ config DELL_LAPTOP
 	depends on EXPERIMENTAL
 	depends on BACKLIGHT_CLASS_DEVICE
 	depends on RFKILL
+	depends on POWER_SUPPLY
 	default n
 	---help---
 	This driver adds support for rfkill and backlight control to Dell