Use the helper function to check the range type instead of relying on the
value. For aesthetics, rename the local variable used for the range.
Signed-off-by: H Hartley Sweeten <hswee...@visionengravers.com>
---
drivers/staging/comedi/drivers/me4000.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/drivers/me4000.c
b/drivers/staging/comedi/drivers/me4000.c
index 9e3dd7a..1e113c6 100644
--- a/drivers/staging/comedi/drivers/me4000.c
+++ b/drivers/staging/comedi/drivers/me4000.c
@@ -452,18 +452,18 @@ static int me4000_ai_insn_read(struct comedi_device *dev,
unsigned int *data)
{
unsigned int chan = CR_CHAN(insn->chanspec);
- unsigned int rang = CR_RANGE(insn->chanspec);
+ unsigned int range = CR_RANGE(insn->chanspec);
unsigned int aref = CR_AREF(insn->chanspec);
unsigned int entry = 0;
unsigned int tmp;
int ret;
int i;
- entry |= ME4000_AI_LIST_RANGE(rang);
+ entry |= ME4000_AI_LIST_RANGE(range);
entry |= chan;
if (aref == AREF_DIFF) {
- if (rang == 0 || rang == 1) {
+ if (!comedi_range_is_bipolar(s, range)) {
dev_err(dev->class_dev,
"Range must be bipolar when aref = diff\n");
return -EINVAL;
--
2.4.3
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