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-rw-r--r--drivers/iio/adc/ad7780.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/adc/ad7780.c b/drivers/iio/adc/ad7780.c
index e9b0c577c9cc..8ccb74f47030 100644
--- a/drivers/iio/adc/ad7780.c
+++ b/drivers/iio/adc/ad7780.c
@@ -152,7 +152,7 @@ static int ad7780_write_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_SCALE:
- if (val != 0)
+ if (val != 0 || val2 == 0)
return -EINVAL;
vref = st->int_vref_mv * 1000000LL;