Scale is currently reported in volts instead of millivolts. This patch fixes it.
Signed-off-by: Lars-Peter Clausen <[email protected]> Acked-by: Jonathan Cameron <[email protected]> --- drivers/staging/iio/dac/ad5791.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/staging/iio/dac/ad5791.c b/drivers/staging/iio/dac/ad5791.c index 9ba45f1..6fbca8d 100644 --- a/drivers/staging/iio/dac/ad5791.c +++ b/drivers/staging/iio/dac/ad5791.c @@ -239,7 +239,7 @@ static int ad5791_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; case (1 << IIO_CHAN_INFO_SCALE_SHARED): *val = 0; - *val2 = (st->vref_mv * 1000) >> chan->scan_type.realbits; + *val2 = (((u64)st->vref_mv) * 1000000ULL) >> chan->scan_type.realbits; return IIO_VAL_INT_PLUS_MICRO; case (1 << IIO_CHAN_INFO_OFFSET_SHARED): val64 = (((u64)st->vref_neg_mv) << chan->scan_type.realbits); -- 1.7.6.3 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
