code: def update_devices(self, devices):
          
          for qspacket in devices:
              try:
                  qsid = qspacket[QS_ID]
              except KeyError:
                  _LOGGER.debug("Device without ID: %s", qspacket)
                  continue
  
              if qsid not in self:
                  self[qsid] = QSDev(data=qspacket)
  
              dev = self[qsid]
              dev.data = qspacket
              # Decode value from QSUSB
              newqs = _legacy_status(qspacket[QS_VALUE])
              if dev.is_dimmer:
                  # Adjust dimmer exponentially to get a smoother effect
                  newqs = min(round(math.pow(newqs, self.dim_adj)), 100)
              newin = round(newqs * _MAX / 100)
              if abs(dev.value - newin) > 1:  # Significant change
                  _LOGGER.debug("%s qs=%s  -->  %s", qsid, newqs, newin)
                  dev.value = newin
                  self._cb_value_changed(self, qsid, newin)
docs: Update values from response of URL_DEVICES, callback if changed.