[PATCH 15/25] iio:ad7476: Report scale as fractional value

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Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
 drivers/iio/adc/ad7476.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index 8d808b9..d141d45 100644
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -127,10 +127,9 @@ static int ad7476_read_raw(struct iio_dev *indio_dev,
 		} else {
 			scale_uv = st->chip_info->int_vref_uv;
 		}
-		scale_uv >>= chan->scan_type.realbits;
-		*val =  scale_uv / 1000;
-		*val2 = (scale_uv % 1000) * 1000;
-		return IIO_VAL_INT_PLUS_MICRO;
+		*val = scale_uv / 1000;
+		*val2 = chan->scan_type.realbits;
+		return IIO_VAL_FRACTIONAL_LOG2;
 	}
 	return -EINVAL;
 }
-- 
1.8.0

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