[PATCH v2 2/2] staging: iio: ad7780: fix offset read value

[Renato Lui Geh]

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 27972563bb6a..06700fe554a2 100644
--- a/drivers/staging/iio/adc/ad7780.c
+++ b/drivers/staging/iio/adc/ad7780.c
@@ -100,7 +100,7 @@ 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;
	}

--
2.19.1