diff --git a/common/power_button.c b/common/power_button.c
index 7d7e90b86d..ffa93d1027 100644
--- a/common/power_button.c
+++ b/common/power_button.c
@@ -30,6 +30,16 @@
 static int debounced_power_pressed;	/* Debounced power button state */
 static int simulate_power_pressed;
 
+/**
+ * Return non-zero if power button signal asserted at hardware input.
+ *
+ */
+int power_button_signal_asserted(void)
+{
+	return !!(gpio_get_level(GPIO_POWER_BUTTON_L)
+		 == CONFIG_POWER_BUTTON_ACTIVE_STATE);
+}
+
 /**
  * Get raw power button signal state.
  *
@@ -50,8 +60,7 @@ static int raw_power_button_pressed(void)
 		return 0;
 #endif
 
-	return !!(gpio_get_level(GPIO_POWER_BUTTON_L)
-		 == CONFIG_POWER_BUTTON_ACTIVE_STATE);
+	return power_button_signal_asserted();
 }
 
 int power_button_is_pressed(void)
diff --git a/include/power_button.h b/include/power_button.h
index 190073812e..ce9f63e216 100644
--- a/include/power_button.h
+++ b/include/power_button.h
@@ -17,6 +17,12 @@
  */
 int power_button_is_pressed(void);
 
+/**
+ * Return non-zero if power button signal asserted at hardware input.
+ *
+ */
+int power_button_signal_asserted(void);
+
 /**
  * Interrupt handler for power button.
  *