Fixes gcc '-Wunused-but-set-variable' warning:
drivers/staging/comedi/drivers/dt3000.c: In function dt3k_ai_insn_read:
drivers/staging/comedi/drivers/dt3000.c:511:27: warning: variable aref set but not used [-Wunused-but-set-variable]
It is not used since commit 2e310235ca8f ("staging:
comedi: dt3000: rename dt3k_ai_insn()")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: zhengbin <zhengbin13@xxxxxxxxxx>
---
drivers/staging/comedi/drivers/dt3000.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/staging/comedi/drivers/dt3000.c b/drivers/staging/comedi/drivers/dt3000.c
index caf4d4d..f7c365b 100644
--- a/drivers/staging/comedi/drivers/dt3000.c
+++ b/drivers/staging/comedi/drivers/dt3000.c
@@ -508,12 +508,11 @@ static int dt3k_ai_insn_read(struct comedi_device *dev,
unsigned int *data)
{
int i;
- unsigned int chan, gain, aref;
+ unsigned int chan, gain;
chan = CR_CHAN(insn->chanspec);
gain = CR_RANGE(insn->chanspec);
/* XXX docs don't explain how to select aref */
- aref = CR_AREF(insn->chanspec);
for (i = 0; i < insn->n; i++)
data[i] = dt3k_readsingle(dev, DPR_SUBSYS_AI, chan, gain);
--
2.7.4
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