Method flush_output

devices/src/legacy/serial.rs:180–185

(&mut self)

    }

    pub fn flush_output(&mut self) -> result::Result<(), io::Error> {
        if let Some(out) = self.out.as_mut() {
            out.flush()?;
        }
        Ok(())
    }

    fn is_dlab_set(&self) -> bool {
        (self.line_control & LCR_DLAB_BIT) != 0