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    Subject[PATCH v4 05/10] iio: afe: rescale: add INT_PLUS_{MICRO,NANO} support
    Date
    From: Liam Beguin <lvb@xiphos.com>

    Add IIO_VAL_INT_PLUS_{NANO,MICRO} scaling support.
    Scale the integer part and the decimal parts individually and keep the
    original scaling type.

    Signed-off-by: Liam Beguin <lvb@xiphos.com>
    ---
    drivers/iio/afe/iio-rescale.c | 8 ++++++++
    1 file changed, 8 insertions(+)

    diff --git a/drivers/iio/afe/iio-rescale.c b/drivers/iio/afe/iio-rescale.c
    index ba3bdcc69b16..1d0e24145d87 100644
    --- a/drivers/iio/afe/iio-rescale.c
    +++ b/drivers/iio/afe/iio-rescale.c
    @@ -89,7 +89,15 @@ static int rescale_read_raw(struct iio_dev *indio_dev,
    do_div(tmp, 1000000000LL);
    *val = tmp;
    return ret;
    + case IIO_VAL_INT_PLUS_NANO:
    + case IIO_VAL_INT_PLUS_MICRO:
    + tmp = (s64)*val * rescale->numerator;
    + *val = div_s64(tmp, rescale->denominator);
    + tmp = (s64)*val2 * rescale->numerator;
    + *val2 = div_s64(tmp, rescale->denominator);
    + return ret;
    default:
    + dev_err(&indio_dev->dev, "unsupported type %d\n", ret);
    return -EOPNOTSUPP;
    }
    default:
    --
    2.30.1.489.g328c10930387
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