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

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

drivers/staging/iio/adc/spear_adc.c

+3 −4
Original line number Original line Diff line number Diff line
@@ -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;