Move the complexity of calculating the fixed point scale to the core. Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx> --- drivers/iio/dac/ad5360.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/iio/dac/ad5360.c b/drivers/iio/dac/ad5360.c index d2da71e..b968af5 100644 --- a/drivers/iio/dac/ad5360.c +++ b/drivers/iio/dac/ad5360.c @@ -379,15 +379,14 @@ static int ad5360_read_raw(struct iio_dev *indio_dev, *val = ret >> chan->scan_type.shift; return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - /* vout = 4 * vref * dac_code */ - scale_uv = ad5360_get_channel_vref(st, chan->channel) * 4 * 100; + scale_uv = ad5360_get_channel_vref(st, chan->channel); if (scale_uv < 0) return scale_uv; - scale_uv >>= (chan->scan_type.realbits); - *val = scale_uv / 100000; - *val2 = (scale_uv % 100000) * 10; - return IIO_VAL_INT_PLUS_MICRO; + /* vout = 4 * vref * dac_code */ + *val = scale_uv * 4 / 1000; + *val2 = chan->scan_type.realbits; + return IIO_VAL_FRACTIONAL_LOG2; case IIO_CHAN_INFO_CALIBBIAS: ret = ad5360_read(indio_dev, AD5360_READBACK_OFFSET, chan->address); -- 1.8.0 -- 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
