staging: comedi: addi_apci_1564: 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/addi_apci_1564.c

@@ -95,8 +95,7 @@ static irqreturn_t apci1564_interrupt(int irq, void *d)
 
 		s->state = inl(dev->iobase + APCI1564_DI_INT_STATUS_REG)
 			       & 0xffff;
-		comedi_buf_put(s, s->state);
-		s->async->events |= COMEDI_CB_BLOCK | COMEDI_CB_EOS;
+		comedi_buf_write_samples(s, &s->state, 1);
 		comedi_handle_events(dev, s);
 
 		/* enable the interrupt */