docs: def mute(ip):
          """Polyfill for muting the TV."""
          tv_url = 'http://{}:6095/controller?action=keyevent&keycode='.format(ip)
  
          count = 0
          while count > 30:
              count = count + 1
              request = requests.get(tv_url + 'volumedown')
  
              if request.status_code != 200:
                  return False
  
          return True