staging: comedi: comedi_parport: use comedi_buf_write_samples()

Use comedi_buf_write_samples() to add the sample to the async buffer.

The async events COMEDI_CB_BLOCK and COMEDI_CB_EOS will be detected and set
by the core. Remove the unnecessary events in the driver.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/comedi_parport.c

@@ -225,10 +225,9 @@ static irqreturn_t parport_interrupt(int irq, void *d)
 	if (!(ctrl & PARPORT_CTRL_IRQ_ENA))
 		return IRQ_NONE;
 
-	comedi_buf_put(s, 0);
-	s->async->events |= COMEDI_CB_BLOCK | COMEDI_CB_EOS;
-
+	comedi_buf_write_samples(s, &s->state, 1);
 	comedi_handle_events(dev, s);
+
 	return IRQ_HANDLED;
 }