On 04/24/2012 05:49 PM, Lars-Peter Clausen wrote: > We can not read back the value from the device, but we cache the value anyway so > we might as well return the cached value instead of an error. > > Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx> Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx> > --- > drivers/staging/iio/dac/ad5446.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c > index 731cd05..9dc67c8 100644 > --- a/drivers/staging/iio/dac/ad5446.c > +++ b/drivers/staging/iio/dac/ad5446.c > @@ -229,6 +229,9 @@ static int ad5446_read_raw(struct iio_dev *indio_dev, > unsigned long scale_uv; > > switch (m) { > + case IIO_CHAN_INFO_RAW: > + *val = st->cached_val; > + return IIO_VAL_INT; > case IIO_CHAN_INFO_SCALE: > scale_uv = (st->vref_mv * 1000) >> chan->scan_type.realbits; > *val = scale_uv / 1000; -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html