2 files changed, 12 insertions, 0 deletions
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index fc6da1beb9..bf1b373a60 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -742,6 +742,17 @@ void acpigen_write_STA(uint8_t status)
 	acpigen_pop_len();
 }
 
+void acpigen_write_STA_ext(const char *namestring)
+{
+	/*
+	 * Method (_STA, 0, NotSerialized) { Return (ext_val) }
+	 */
+	acpigen_write_method("_STA", 0);
+	acpigen_emit_byte(RETURN_OP);
+	acpigen_emit_namestring(namestring);
+	acpigen_pop_len();
+}
+
 /*
  * Generates a func with max supported P-states.
  */
diff --git a/src/include/acpi/acpigen.h b/src/include/acpi/acpigen.h
index dffde851f5..701e44ba97 100644
--- a/src/include/acpi/acpigen.h
+++ b/src/include/acpi/acpigen.h
@@ -319,6 +319,7 @@ void acpigen_write_empty_PCT(void);
 void acpigen_write_empty_PTC(void);
 void acpigen_write_PRW(u32 wake, u32 level);
 void acpigen_write_STA(uint8_t status);
+void acpigen_write_STA_ext(const char *namestring);
 void acpigen_write_TPC(const char *gnvs_tpc_limit);
 void acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat,
 			u32 busmLat, u32 control, u32 status);