Move the complexity of calculating the fixed point scale to the core.
Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
drivers/staging/iio/cdc/ad7746.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/iio/cdc/ad7746.c b/drivers/staging/iio/cdc/ad7746.c
index 75a533b..862d68d 100644
--- a/drivers/staging/iio/cdc/ad7746.c
+++ b/drivers/staging/iio/cdc/ad7746.c
@@ -656,20 +656,21 @@ static int ad7746_read_raw(struct iio_dev *indio_dev,
switch (chan->type) {
case IIO_CAPACITANCE:
/* 8.192pf / 2^24 */
- *val2 = 488;
*val = 0;
+ *val2 = 488;
+ ret = IIO_VAL_INT_PLUS_NANO;
break;
case IIO_VOLTAGE:
/* 1170mV / 2^23 */
- *val2 = 139475;
- *val = 0;
+ *val = 1170;
+ *val2 = 23;
+ ret = IIO_VAL_FRACTIONAL_LOG2;
break;
default:
- ret = -EINVAL;
- goto out;
+ ret = -EINVAL;
+ break;
}
- ret = IIO_VAL_INT_PLUS_NANO;
break;
default:
ret = -EINVAL;
--
1.8.0
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