diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index be9e30ee6048..dafa0f6c5fe8 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -1094,6 +1094,7 @@ struct acpi_integrity_info {
 	u32 objects;
 };
 
+#define ACPI_DB_DISABLE_OUTPUT          0x00
 #define ACPI_DB_REDIRECTABLE_OUTPUT     0x01
 #define ACPI_DB_CONSOLE_OUTPUT          0x02
 #define ACPI_DB_DUPLICATE_OUTPUT        0x03