diff --git a/src/ec/google/wilco/acpi/dptf.asl b/src/ec/google/wilco/acpi/dptf.asl
index 6de72e8..1b2bf80 100644
--- a/src/ec/google/wilco/acpi/dptf.asl
+++ b/src/ec/google/wilco/acpi/dptf.asl
@@ -116,3 +116,18 @@
 	/* Clear sensor events */
 	W (DWTQ, Local0)
 }
+
+#ifdef EC_ENABLE_MULTIPLE_DPTF_PROFILES
+/*
+ * Read current Device DPTF Profile Number
+ */
+Method (RCDP, 0, NotSerialized)
+{
+	Local0 = R(DRTI)
+	If (Local0 == 0) {
+		Return (R(OTBL))
+	} else {
+		Return (Local0 - 1)
+	}
+}
+#endif