Commit bfbab2bc authored by Lars-Peter Clausen's avatar Lars-Peter Clausen Committed by Jonathan Cameron

staging:iio:spear_adc: 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>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 4f9be985
...@@ -168,10 +168,9 @@ static int spear_read_raw(struct iio_dev *indio_dev, ...@@ -168,10 +168,9 @@ static int spear_read_raw(struct iio_dev *indio_dev,
return IIO_VAL_INT; return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE: case IIO_CHAN_INFO_SCALE:
scale_mv = (info->vref_external * 1000) >> DATA_BITS; *val = info->vref_external;
*val = scale_mv / 1000; *val2 = DATA_BITS;
*val2 = (scale_mv % 1000) * 1000; return IIO_VAL_FRACTIONAL_LOG2;
return IIO_VAL_INT_PLUS_MICRO;
} }
return -EINVAL; return -EINVAL;
......
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