diff options
| -rw-r--r-- | drivers/staging/iio/dac/ad5446.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c index ec6968b2f05..de796c2f0b2 100644 --- a/drivers/staging/iio/dac/ad5446.c +++ b/drivers/staging/iio/dac/ad5446.c @@ -272,7 +272,7 @@ static int ad5446_write_raw(struct iio_dev *indio_dev, long mask) { struct ad5446_state *st = iio_priv(indio_dev); - int ret; + int ret = 0; switch (mask) { case IIO_CHAN_INFO_RAW: @@ -282,8 +282,10 @@ static int ad5446_write_raw(struct iio_dev *indio_dev, val <<= chan->scan_type.shift; mutex_lock(&indio_dev->mlock); st->cached_val = val; - st->chip_info->store_sample(st, val); - ret = spi_sync(st->spi, &st->msg); + if (!st->pwr_down) { + st->chip_info->store_sample(st, val); + ret = spi_sync(st->spi, &st->msg); + } mutex_unlock(&indio_dev->mlock); break; default: |