staging: comedi: rti800: add some whitespace to the subdevice init

For aesthetic reasons, add some whitespace to the subdevice init
to make it more readable.

Remove the commented out init of subdevice 4, it's not allocated.
Add a comment about it.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/rti800.c

@@ -329,11 +329,11 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	s = &dev->subdevices[0];
 	/* ai subdevice */
-	s->type = COMEDI_SUBD_AI;
-	s->subdev_flags = SDF_READABLE | SDF_GROUND;
-	s->n_chan = (it->options[2] ? 16 : 8);
-	s->insn_read = rti800_ai_insn_read;
-	s->maxdata = 0xfff;
+	s->type		= COMEDI_SUBD_AI;
+	s->subdev_flags	= SDF_READABLE | SDF_GROUND;
+	s->n_chan	= (it->options[2] ? 16 : 8);
+	s->insn_read	= rti800_ai_insn_read;
+	s->maxdata	= 0x0fff;
 	s->range_table	= (it->options[3] < ARRAY_SIZE(rti800_ai_ranges))
 				? rti800_ai_ranges[it->options[3]]
 				: &range_unknown;
@@ -341,12 +341,12 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s = &dev->subdevices[1];
 	if (board->has_ao) {
 		/* ao subdevice (only on rti815) */
-		s->type = COMEDI_SUBD_AO;
-		s->subdev_flags = SDF_WRITABLE;
-		s->n_chan = 2;
-		s->insn_read = rti800_ao_insn_read;
-		s->insn_write = rti800_ao_insn_write;
-		s->maxdata = 0xfff;
+		s->type		= COMEDI_SUBD_AO;
+		s->subdev_flags	= SDF_WRITABLE;
+		s->n_chan	= 2;
+		s->insn_read	= rti800_ao_insn_read;
+		s->insn_write	= rti800_ao_insn_write;
+		s->maxdata	= 0x0fff;
 		s->range_table_list = devpriv->ao_range_type_list;
 		devpriv->ao_range_type_list[0] =
 			(it->options[5] < ARRAY_SIZE(rti800_ao_ranges))
@@ -357,33 +357,31 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 				? rti800_ao_ranges[it->options[7]]
 				: &range_unknown;
 	} else {
-		s->type = COMEDI_SUBD_UNUSED;
+		s->type		= COMEDI_SUBD_UNUSED;
 	}
 
 	s = &dev->subdevices[2];
 	/* di */
-	s->type = COMEDI_SUBD_DI;
-	s->subdev_flags = SDF_READABLE;
-	s->n_chan = 8;
-	s->insn_bits = rti800_di_insn_bits;
-	s->maxdata = 1;
-	s->range_table = &range_digital;
+	s->type		= COMEDI_SUBD_DI;
+	s->subdev_flags	= SDF_READABLE;
+	s->n_chan	= 8;
+	s->insn_bits	= rti800_di_insn_bits;
+	s->maxdata	= 1;
+	s->range_table	= &range_digital;
 
 	s = &dev->subdevices[3];
 	/* do */
-	s->type = COMEDI_SUBD_DO;
-	s->subdev_flags = SDF_WRITABLE;
-	s->n_chan = 8;
-	s->insn_bits = rti800_do_insn_bits;
-	s->maxdata = 1;
-	s->range_table = &range_digital;
-
-/* don't yet know how to deal with counter/timers */
-#if 0
-	s = &dev->subdevices[4];
-	/* do */
-	s->type = COMEDI_SUBD_TIMER;
-#endif
+	s->type		= COMEDI_SUBD_DO;
+	s->subdev_flags	= SDF_WRITABLE;
+	s->n_chan	= 8;
+	s->insn_bits	= rti800_do_insn_bits;
+	s->maxdata	= 1;
+	s->range_table	= &range_digital;
+
+	/*
+	 * There is also an Am9513 timer on these boards. This subdevice
+	 * is not currently supported.
+	 */
 
 	return 0;
 }