Index: comedi/drivers/amplc_pc236.c
===================================================================
RCS file: /var/cvs/comedi/comedi/drivers/amplc_pc236.c,v
retrieving revision 1.10
diff -u -r1.10 amplc_pc236.c
--- comedi/drivers/amplc_pc236.c	25 Jan 2005 23:44:43 -0000	1.10
+++ comedi/drivers/amplc_pc236.c	14 Feb 2005 11:41:25 -0000
@@ -545,7 +545,7 @@
 		return IRQ_RETVAL(retval);
 
 	comedi_buf_put(s->async,0);
-	s->async->events |= COMEDI_CB_EOS;
+	s->async->events |= COMEDI_CB_BLOCK | COMEDI_CB_EOS;
 
 	comedi_event(dev,s,s->async->events);
 	return IRQ_RETVAL(retval);
Index: comedi/drivers/comedi_parport.c
===================================================================
RCS file: /var/cvs/comedi/comedi/drivers/comedi_parport.c,v
retrieving revision 1.29
diff -u -r1.29 comedi_parport.c
--- comedi/drivers/comedi_parport.c	4 Aug 2003 18:48:40 -0000	1.29
+++ comedi/drivers/comedi_parport.c	14 Feb 2005 11:41:25 -0000
@@ -275,7 +275,7 @@
 	}
 
 	comedi_buf_put( s->async, 0 );
-	s->async->events |= COMEDI_CB_EOS;
+	s->async->events |= COMEDI_CB_BLOCK | COMEDI_CB_EOS;
 
 	comedi_event(dev,s,s->async->events);
 	return IRQ_HANDLED;