Good catch. Acked-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> On Thu, 2018-11-01 at 11:43 -0300, Renato Lui Geh wrote: > Variable val subtracted an uninitialized value on IIO_CHAN_INFO_OFFSET. > This was fixed by assigning the correct value instead. > > Signed-off-by: Renato Lui Geh <renatogeh@xxxxxxxxx> > --- > drivers/staging/iio/adc/ad7780.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/staging/iio/adc/ad7780.c > b/drivers/staging/iio/adc/ad7780.c > index b67412db0318..91e016d534ed 100644 > --- a/drivers/staging/iio/adc/ad7780.c > +++ b/drivers/staging/iio/adc/ad7780.c > @@ -96,7 +96,7 @@ static int ad7780_read_raw(struct iio_dev *indio_dev, > *val2 = chan->scan_type.realbits - 1; > return IIO_VAL_FRACTIONAL_LOG2; > case IIO_CHAN_INFO_OFFSET: > - *val -= (1 << (chan->scan_type.realbits - 1)); > + *val = -(1 << (chan->scan_type.realbits - 1)); > return IIO_VAL_INT; > } >