diff --git a/src/mainboard/google/rambi/acpi/dptf.asl b/src/mainboard/google/rambi/acpi/dptf.asl
index 51237dc576..2a2dca65d6 100644
--- a/src/mainboard/google/rambi/acpi/dptf.asl
+++ b/src/mainboard/google/rambi/acpi/dptf.asl
@@ -16,7 +16,16 @@
 #define DPTF_TSR2_PASSIVE	60
 #define DPTF_TSR2_CRITICAL	70
 
-#undef DPTF_ENABLE_CHARGER
+#define DPTF_ENABLE_CHARGER
+
+/* Charger performance states, board-specific values from charger and EC */
+Name (CHPS, Package () {
+	Package () { 0, 0, 0, 0, 255, 0x6a4, "mA", 0 },	/* 1.7A (MAX) */
+	Package () { 0, 0, 0, 0, 24, 0x600, "mA", 0 },	/* 1.5A */
+	Package () { 0, 0, 0, 0, 16, 0x400, "mA", 0 },	/* 1.0A */
+	Package () { 0, 0, 0, 0, 8, 0x200, "mA", 0 },	/* 0.5A */
+	Package () { 0, 0, 0, 0, 0, 0x000, "mA", 0 },	/* 0.0A */
+})
 
 Name (DTRT, Package () {
 	/* CPU Throttle Effect on CPU */