diff --git a/[refs] b/[refs]
index c17478c7b73a..a112b2e46f76 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2db69a9340da12a4db44edb7506dd68799aeff55
+refs/heads/master: 310d8c93f9f07499cd7ca82d7997774a89de00e7
diff --git a/trunk/drivers/platform/x86/Kconfig b/trunk/drivers/platform/x86/Kconfig
index 6bce56c22623..b3866ad50227 100644
--- a/trunk/drivers/platform/x86/Kconfig
+++ b/trunk/drivers/platform/x86/Kconfig
@@ -62,6 +62,7 @@ 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