diff --git a/src/ec/lenovo/pmh7/pmh7.c b/src/ec/lenovo/pmh7/pmh7.c
index d536d74c75..0ac8fa18de 100644
--- a/src/ec/lenovo/pmh7/pmh7.c
+++ b/src/ec/lenovo/pmh7/pmh7.c
@@ -49,6 +49,15 @@ void pmh7_touchpad_enable(int onoff)
 	else
 		pmh7_register_set_bit(0x51, 2);
 }
+
+void pmh7_ultrabay_power_enable(int onoff)
+{
+	if (onoff)
+		pmh7_register_clear_bit(0x62, 0);
+	else
+		pmh7_register_set_bit(0x62, 0);
+}
+
 void pmh7_register_set_bit(int reg, int bit)
 {
 	char val;
diff --git a/src/ec/lenovo/pmh7/pmh7.h b/src/ec/lenovo/pmh7/pmh7.h
index 701013b396..35438028a6 100644
--- a/src/ec/lenovo/pmh7/pmh7.h
+++ b/src/ec/lenovo/pmh7/pmh7.h
@@ -34,4 +34,5 @@ void pmh7_register_write(int reg, int val);
 void pmh7_backlight_enable(int onoff);
 void pmh7_dock_event_enable(int onoff);
 void pmh7_touchpad_enable(int onoff);
+void pmh7_ultrabay_power_enable(int onoff);
 #endif