staging: comedi: das1800: replace comedi_board() calls

The `comedi_board(dev)` inline function calls just return
`dev->board_ptr`.  Expand the inline function calls.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/das1800.c

@@ -453,7 +453,7 @@ static const struct comedi_lrange range_ao_2 = {
 static inline uint16_t munge_bipolar_sample(const struct comedi_device *dev,
 					    uint16_t sample)
 {
-	const struct das1800_board *thisboard = comedi_board(dev);
+	const struct das1800_board *thisboard = dev->board_ptr;
 
 	sample += 1 << (thisboard->resolution - 1);
 	return sample;
@@ -773,7 +773,7 @@ static int das1800_ai_do_cmdtest(struct comedi_device *dev,
 				 struct comedi_subdevice *s,
 				 struct comedi_cmd *cmd)
 {
-	const struct das1800_board *thisboard = comedi_board(dev);
+	const struct das1800_board *thisboard = dev->board_ptr;
 	struct das1800_private *devpriv = dev->private;
 	int err = 0;
 	unsigned int arg;
@@ -1136,7 +1136,7 @@ static int das1800_ai_rinsn(struct comedi_device *dev,
 			    struct comedi_subdevice *s,
 			    struct comedi_insn *insn, unsigned int *data)
 {
-	const struct das1800_board *thisboard = comedi_board(dev);
+	const struct das1800_board *thisboard = dev->board_ptr;
 	int i, n;
 	int chan, range, aref, chan_range;
 	int timeout = 1000;
@@ -1200,7 +1200,7 @@ static int das1800_ao_winsn(struct comedi_device *dev,
 			    struct comedi_subdevice *s,
 			    struct comedi_insn *insn, unsigned int *data)
 {
-	const struct das1800_board *thisboard = comedi_board(dev);
+	const struct das1800_board *thisboard = dev->board_ptr;
 	struct das1800_private *devpriv = dev->private;
 	int chan = CR_CHAN(insn->chanspec);
 /* int range = CR_RANGE(insn->chanspec); */
@@ -1329,7 +1329,7 @@ static int das1800_init_dma(struct comedi_device *dev, unsigned int dma0,
 
 static int das1800_probe(struct comedi_device *dev)
 {
-	const struct das1800_board *board = comedi_board(dev);
+	const struct das1800_board *board = dev->board_ptr;
 	int index;
 	int id;
 
@@ -1412,7 +1412,7 @@ static int das1800_attach(struct comedi_device *dev,
 	}
 
 	dev->board_ptr = das1800_boards + board;
-	thisboard = comedi_board(dev);
+	thisboard = dev->board_ptr;
 	dev->board_name = thisboard->name;
 
 	/*  if it is an 'ao' board with fancy analog out then we need extra io ports */