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-rw-r--r--drivers/staging/comedi/drivers/rtd520.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index e81939c0f8c2..ebe74bfa09a0 100644
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -406,10 +406,6 @@ struct rtdPrivate {
/* Macros to access registers */
-/* Start single DAC conversion on both DACs */
-#define RtdDacBothUpdate(dev) \
- writew(0, devpriv->las0+LAS0_DAC)
-
/* Set DAC output type and range */
#define RtdDacRange(dev, n, v) \
writew((v) & 7, devpriv->las0 \