Si7020 outputs most significant byte of the measurement result first and least significant byte last. As a result the data returned by i2c_smbus_read_word_data appears as big endian. Fix this by making a call to an approbriate byte conversion routine.
Signed-off-by: Andrey Smirnov <[email protected]> --- drivers/iio/humidity/si7020.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c index fa3b809..5c89e14 100644 --- a/drivers/iio/humidity/si7020.c +++ b/drivers/iio/humidity/si7020.c @@ -56,7 +56,7 @@ static int si7020_read_raw(struct iio_dev *indio_dev, SI7020CMD_RH_HOLD); if (ret < 0) return ret; - *val = ret >> 2; + *val = be16_to_cpu(ret) >> 2; if (chan->type == IIO_HUMIDITYRELATIVE) *val &= GENMASK(11, 0); return IIO_VAL_INT; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
