Commit ecc7e948 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron

iio:ad5686: Report scale as fractional value

Move the complexity of calculating the fixed point scale to the core.
Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 14229e87
...@@ -201,7 +201,6 @@ static int ad5686_read_raw(struct iio_dev *indio_dev, ...@@ -201,7 +201,6 @@ static int ad5686_read_raw(struct iio_dev *indio_dev,
long m) long m)
{ {
struct ad5686_state *st = iio_priv(indio_dev); struct ad5686_state *st = iio_priv(indio_dev);
unsigned long scale_uv;
int ret; int ret;
switch (m) { switch (m) {
...@@ -214,12 +213,9 @@ static int ad5686_read_raw(struct iio_dev *indio_dev, ...@@ -214,12 +213,9 @@ static int ad5686_read_raw(struct iio_dev *indio_dev,
*val = ret; *val = ret;
return IIO_VAL_INT; return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE: case IIO_CHAN_INFO_SCALE:
scale_uv = (st->vref_mv * 100000) *val = st->vref_mv;
>> (chan->scan_type.realbits); *val2 = chan->scan_type.realbits;
*val = scale_uv / 100000; return IIO_VAL_FRACTIONAL_LOG2;
*val2 = (scale_uv % 100000) * 10;
return IIO_VAL_INT_PLUS_MICRO;
} }
return -EINVAL; return -EINVAL;
} }
......
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