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 <[email protected]> Acked-by: Jonathan Cameron <[email protected]> --- 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; -- 1.7.9.5 _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
