staging: comedi: quatech_daqp_cs: use comedi_buf_write_samples()

For aesthetics, use comedi_buf_write_samples() to add the sample to the
async buffer.

The core will add the COMEDI_CB_BLOCK event when data is written to the
async buffer. Remove the unnecessary event 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/quatech_daqp_cs.c

@@ -221,7 +221,7 @@ static enum irqreturn daqp_interrupt(int irq, void *dev_id)
 			data |= inb(dev->iobase + DAQP_FIFO) << 8;
 			data ^= 0x8000;
 
-			comedi_buf_put(s, data);
+			comedi_buf_write_samples(s, &data, 1);
 
 			/* If there's a limit, decrement it
 			 * and stop conversion if zero
@@ -245,8 +245,6 @@ static enum irqreturn daqp_interrupt(int irq, void *dev_id)
 			s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
 		}
 
-		s->async->events |= COMEDI_CB_BLOCK;
-
 		comedi_handle_events(dev, s);
 	}
 	return IRQ_HANDLED;