[PATCH] staging: comedi: ni_labpc: use comedi_range_is_unipolar()

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Use the core provided helper function instead of duplicating it as
a private function.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/staging/comedi/drivers/ni_labpc.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 1add114..27daccb 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -201,12 +201,6 @@ static int labpc_counter_set_mode(struct comedi_device *dev,
 		return i8254_set_mode(base_address, 0, counter_number, mode);
 }
 
-static bool labpc_range_is_unipolar(struct comedi_subdevice *s,
-				    unsigned int range)
-{
-	return s->range_table->range[range].min >= 0;
-}
-
 static int labpc_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 	struct labpc_private *devpriv = dev->private;
@@ -272,7 +266,7 @@ static void labpc_setup_cmd6_reg(struct comedi_device *dev,
 		devpriv->cmd6 &= ~CMD6_NRSE;
 
 	/* bipolar or unipolar range? */
-	if (labpc_range_is_unipolar(s, range))
+	if (comedi_range_is_unipolar(s, range))
 		devpriv->cmd6 |= CMD6_ADCUNI;
 	else
 		devpriv->cmd6 &= ~CMD6_ADCUNI;
@@ -1046,7 +1040,7 @@ static int labpc_ao_insn_write(struct comedi_device *dev,
 	/* set range */
 	if (board->is_labpc1200) {
 		range = CR_RANGE(insn->chanspec);
-		if (labpc_range_is_unipolar(s, range))
+		if (comedi_range_is_unipolar(s, range))
 			devpriv->cmd6 |= CMD6_DACUNI(channel);
 		else
 			devpriv->cmd6 &= ~CMD6_DACUNI(channel);
-- 
1.8.3.2

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