def _write_iodir(self, iodir=None):
        """Write the specified byte value to the IODIR registor.  If no value
        specified the current buffered value will be written.
        """
        if iodir is not None:
            self.iodir = iodir
        self.i2c.write_list(self.IODIR, self.iodir)
def _write_iodir ( self , iodir = None ) : if iodir is not None : self . iodir = iodir self . i2c . write_list ( self . IODIR , self . iodir )
Write the specified byte value to the IODIR registor.  If no value
        specified the current buffered value will be written.