On 06/14/2013 04:58 PM, Lars-Peter Clausen wrote:
> This is a bit more straight forward and also allows better precession when using
> the an in-kernel consumer.
>
> Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Applied to the togreg branch of iio.git
> ---
> drivers/staging/iio/adc/ad7291.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c
> index d088c66..a3a3a2f 100644
> --- a/drivers/staging/iio/adc/ad7291.c
> +++ b/drivers/staging/iio/adc/ad7291.c
> @@ -456,7 +456,6 @@ static int ad7291_read_raw(struct iio_dev *indio_dev,
> {
> int ret;
> struct ad7291_chip_info *chip = iio_priv(indio_dev);
> - unsigned int scale_uv;
> u16 regval;
> s16 signval;
>
> @@ -513,10 +512,9 @@ static int ad7291_read_raw(struct iio_dev *indio_dev,
> case IIO_CHAN_INFO_SCALE:
> switch (chan->type) {
> case IIO_VOLTAGE:
> - scale_uv = (chip->int_vref_mv * 1000) >> AD7291_BITS;
> - *val = scale_uv / 1000;
> - *val2 = (scale_uv % 1000) * 1000;
> - return IIO_VAL_INT_PLUS_MICRO;
> + *val = chip->int_vref_mv;
> + *val2 = AD7291_BITS;
> + return IIO_VAL_FRACTIONAL_LOG2;
> case IIO_TEMP:
> /*
> * One LSB of the ADC corresponds to 0.25 deg C.
>
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