diff --git a/util/autoport/ec_none.go b/util/autoport/ec_none.go
index a1a0df94f0..ceb84a0528 100644
--- a/util/autoport/ec_none.go
+++ b/util/autoport/ec_none.go
@@ -16,9 +16,6 @@ Method(_PTS, 1)
 }
 `)
 
-	si := Create(ctx, "acpi/superio.asl")
-	defer si.Close()
-
-	ec := Create(ctx, "acpi/ec.asl")
-	defer ec.Close()
+	Create_Empty(ctx, "acpi/superio.asl", ASL)
+	Create_Empty(ctx, "acpi/ec.asl", ASL)
 }
diff --git a/util/autoport/main.go b/util/autoport/main.go
index c4f884a985..1246e3277c 100644
--- a/util/autoport/main.go
+++ b/util/autoport/main.go
@@ -120,8 +120,9 @@ var CommentFormatStrings map[Filetype]string = map[Filetype]string {
 type License string
 
 const (
-    GPL2_only License = "GPL-2.0-only"
-    GPL2_or_later     = "GPL-2.0-or-later"
+    CC_PDDC License	= "CC-PDDC"
+    GPL2_only		= "GPL-2.0-only"
+    GPL2_or_later	= "GPL-2.0-or-later"
 )
 
 var KconfigBool map[string]bool = map[string]bool{}
@@ -233,6 +234,13 @@ func Create(ctx Context, name string) *os.File {
 	}
 	return mf
 }
+func Create_Empty(ctx Context, name string, filetype Filetype) {
+	f := Create(ctx, name)
+	defer f.Close()
+	Add_SPDX(f, filetype, CC_PDDC)
+	Add_Comment(f, filetype,
+		"Please update the license if adding licensable material.")
+}
 
 func Add_SPDX(f *os.File, filetype Filetype, license License) {
 	Add_Comment(f, filetype, "SPDX-License-Identifier: " + string(license))