diff --git a/src/soc/intel/baytrail/acpi/lpss.asl b/src/soc/intel/baytrail/acpi/lpss.asl
index 113d5c0..b8e2d96 100644
--- a/src/soc/intel/baytrail/acpi/lpss.asl
+++ b/src/soc/intel/baytrail/acpi/lpss.asl
@@ -94,6 +94,8 @@
 		Return (^RBUF)
 	}
 
+	Method (_HRV, 0, NotSerialized) { Return (0x06) }
+
 	Method (_STA)
 	{
 		If (\S1EN == 1) {
@@ -153,6 +155,8 @@
 		Return (^RBUF)
 	}
 
+	Method (_HRV, 0, NotSerialized) { Return (0x06) }
+
 	Method (_STA)
 	{
 		If (\S2EN == 1) {
@@ -205,6 +209,8 @@
 		FixedDMA (0x15, 0x5, Width32Bit, )
 	})
 
+	Method (_HRV, 0, NotSerialized) { Return (0x06) }
+
 	Method (_CRS)
 	{
 		CreateDwordField (^RBUF, ^BAR0._BAS, RBAS)
@@ -271,6 +277,8 @@
 		Return (^RBUF)
 	}
 
+	Method (_HRV, 0, NotSerialized) { Return (0x06) }
+
 	Method (_STA)
 	{
 		If (\S4EN == 1) {
@@ -330,6 +338,8 @@
 		Return (^RBUF)
 	}
 
+	Method (_HRV, 0, NotSerialized) { Return (0x06) }
+
 	Method (_STA)
 	{
 		If (\S5EN == 1) {
@@ -389,6 +399,8 @@
 		Return (^RBUF)
 	}
 
+	Method (_HRV, 0, NotSerialized) { Return (0x06) }
+
 	Method (_STA)
 	{
 		If (\S6EN == 1) {
@@ -448,6 +460,8 @@
 		Return (^RBUF)
 	}
 
+	Method (_HRV, 0, NotSerialized) { Return (0x06) }
+
 	Method (_STA)
 	{
 		If (\S7EN == 1) {