diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index eaef02a..2029819 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -69,7 +69,7 @@ MODULE_AUTHOR("Bruno Ducrot");
 MODULE_DESCRIPTION("ACPI Video Driver");
 MODULE_LICENSE("GPL");
 
-static bool brightness_switch_enabled = 1;
+static bool brightness_switch_enabled = 0;
 module_param(brightness_switch_enabled, bool, 0644);
 
 /*