code: def oem_init(self):
          
          if self._oemknown:
              return
          self._oem, self._oemknown = get_oem_handler(self._get_device_id(),
                                                      self)
docs: Initialize the command object for OEM capabilities
  
          A number of capabilities are either totally OEM defined or
          else augmented somehow by knowledge of the OEM.  This
          method does an interrogation to identify the OEM.