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>
Should probably mention the tidying up in the commit message, but it is
trivial so I won't bother changing it ;)
Applied to the togreg branch of iio.git
Thanks
> ---
> 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;
>
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