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Commit b2171677 authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron
Browse files

iio:max1363: Report scale as fractional value 



Move the complexity of calculating the fixed point scale to the core.

Signed-off-by: default avatarLars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent c45e561e

drivers/iio/adc/max1363.c

+3 −5
Original line number Diff line number Diff line
@@ -397,7 +397,6 @@ static int max1363_read_raw(struct iio_dev *indio_dev, 
{

	struct max1363_state *st = iio_priv(indio_dev);

	int ret;

	unsigned long scale_uv;



	switch (m) {

	case IIO_CHAN_INFO_RAW:
@@ -406,10 +405,9 @@ static int max1363_read_raw(struct iio_dev *indio_dev, 
			return ret;

		return IIO_VAL_INT;

	case IIO_CHAN_INFO_SCALE:

		scale_uv = st->vref_uv >> st->chip_info->bits;

		*val = scale_uv / 1000;

		*val2 = (scale_uv % 1000) * 1000;

		return IIO_VAL_INT_PLUS_MICRO;

		*val = st->vref_uv / 1000;

		*val2 = st->chip_info->bits;

		return IIO_VAL_FRACTIONAL_LOG2;

	default:

		return -EINVAL;

	}