Fix led colours being added multiple times

yafi/leds.py

@@ -95,6 +95,8 @@ class LedsPage(Gtk.Box):
             all_colours = ["Red", "Green", "Blue", "Yellow", "White", "Amber"]
 
             def add_colours(strings, led_id):
+                # Auto and Off should already be present
+                if strings.get_n_items() <= 2:
                     supported_colours = ec_commands.leds.led_control_get_max_values(
                         app.cros_ec, led_id
                     )