staging: comedi: comedi_parport: tidy up parport_attach()

Add some whitespace to tidy up the subdevice init.
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

@@ -267,6 +267,7 @@ static int parport_attach(struct comedi_device *dev,
 	if (ret)
 		return ret;
 
+	/* Digial I/O subdevice - Parallel port DATA register */
 	s = &dev->subdevices[0];
 	s->type		= COMEDI_SUBD_DIO;
 	s->subdev_flags	= SDF_READABLE | SDF_WRITABLE;
@@ -276,6 +277,7 @@ static int parport_attach(struct comedi_device *dev,
 	s->insn_bits	= parport_data_reg_insn_bits;
 	s->insn_config	= parport_data_reg_insn_config;
 
+	/* Digial Input subdevice - Parallel port STATUS register */
 	s = &dev->subdevices[1];
 	s->type		= COMEDI_SUBD_DI;
 	s->subdev_flags	= SDF_READABLE;
@@ -284,6 +286,7 @@ static int parport_attach(struct comedi_device *dev,
 	s->range_table	= &range_digital;
 	s->insn_bits	= parport_status_reg_insn_bits;
 
+	/* Digial Output subdevice - Parallel port CONTROL register */
 	s = &dev->subdevices[2];
 	s->type		= COMEDI_SUBD_DO;
 	s->subdev_flags	= SDF_WRITABLE;
@@ -293,6 +296,7 @@ static int parport_attach(struct comedi_device *dev,
 	s->insn_bits	= parport_ctrl_reg_insn_bits;
 
 	if (dev->irq) {
+		/* Digial Input subdevice - Interrupt support */
 		s = &dev->subdevices[3];
 		dev->read_subdev = s;
 		s->type		= COMEDI_SUBD_DI;