diff --git a/drivers/staging/comedi/drivers/addi_apci_2032.c b/drivers/staging/comedi/drivers/addi_apci_2032.c
index ad7529459429..7a5659fafbb3 100644
--- a/drivers/staging/comedi/drivers/addi_apci_2032.c
+++ b/drivers/staging/comedi/drivers/addi_apci_2032.c
@@ -211,8 +211,7 @@ static irqreturn_t apci2032_interrupt(int irq, void *d)
 				bits |= (1 << i);
 		}
 
-		if (comedi_buf_put(s, bits)) {
-			s->async->events |= COMEDI_CB_BLOCK | COMEDI_CB_EOS;
+		if (comedi_buf_write_samples(s, &bits, 1)) {
 			if (cmd->stop_src == TRIG_COUNT &&
 			    subpriv->stop_count > 0) {
 				subpriv->stop_count--;
@@ -221,8 +220,6 @@ static irqreturn_t apci2032_interrupt(int irq, void *d)
 					s->async->events |= COMEDI_CB_EOA;
 				}
 			}
-		} else {
-			s->async->events |= COMEDI_CB_OVERFLOW;
 		}
 	}
 
@@ -299,7 +296,7 @@ static int apci2032_auto_attach(struct comedi_device *dev,
 			return -ENOMEM;
 		spin_lock_init(&subpriv->spinlock);
 		s->private	= subpriv;
-		s->subdev_flags	= SDF_READABLE | SDF_CMD_READ;
+		s->subdev_flags	= SDF_READABLE | SDF_CMD_READ | SDF_PACKED;
 		s->len_chanlist = 2;
 		s->do_cmdtest	= apci2032_int_cmdtest;
 		s->do_cmd	= apci2032_int_cmd;