Report the scale as a fractional value. This avoids having to do the conversion from fractional to fixed point manually in the driver. Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx> --- drivers/iio/dac/ad5064.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/iio/dac/ad5064.c b/drivers/iio/dac/ad5064.c index eb281a2..a163e86 100644 --- a/drivers/iio/dac/ad5064.c +++ b/drivers/iio/dac/ad5064.c @@ -240,10 +240,9 @@ static int ad5064_read_raw(struct iio_dev *indio_dev, if (scale_uv < 0) return scale_uv; - scale_uv = (scale_uv * 100) >> chan->scan_type.realbits; - *val = scale_uv / 100000; - *val2 = (scale_uv % 100000) * 10; - return IIO_VAL_INT_PLUS_MICRO; + *val = scale_uv; + *val2 = ((1 << chan->scan_type.realbits) - 1) * 1000; + return IIO_VAL_FRACTIONAL; default: break; } -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
