On 09/28/13 10:31, Lars-Peter Clausen wrote:
> Move the complexity of calculating the fixed point scale to the core.
>
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Applied.
> ---
> drivers/staging/iio/adc/ad7606_core.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c
> index f042027..2083673 100644
> --- a/drivers/staging/iio/adc/ad7606_core.c
> +++ b/drivers/staging/iio/adc/ad7606_core.c
> @@ -85,7 +85,6 @@ static int ad7606_read_raw(struct iio_dev *indio_dev,
> {
> int ret;
> struct ad7606_state *st = iio_priv(indio_dev);
> - unsigned int scale_uv;
>
> switch (m) {
> case IIO_CHAN_INFO_RAW:
> @@ -101,11 +100,9 @@ static int ad7606_read_raw(struct iio_dev *indio_dev,
> *val = (short) ret;
> return IIO_VAL_INT;
> case IIO_CHAN_INFO_SCALE:
> - scale_uv = (st->range * 1000 * 2)
> - >> st->chip_info->channels[0].scan_type.realbits;
> - *val = scale_uv / 1000;
> - *val2 = (scale_uv % 1000) * 1000;
> - return IIO_VAL_INT_PLUS_MICRO;
> + *val = st->range * 2;
> + *val2 = st->chip_info->channels[0].scan_type.realbits;
> + return IIO_VAL_FRACTIONAL_LOG2;
> }
> return -EINVAL;
> }
>
--
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