diff options
| -rw-r--r-- | drivers/iio/adc/ad7192.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c index f6150b905286..15dc6e6854e8 100644 --- a/drivers/iio/adc/ad7192.c +++ b/drivers/iio/adc/ad7192.c @@ -257,6 +257,9 @@ static ssize_t ad7192_write_syscalib(struct iio_dev *indio_dev, if (ret) return ret; + if (!iio_device_claim_direct(indio_dev)) + return -EBUSY; + temp = st->syscalib_mode[chan->channel]; if (sys_calib) { if (temp == AD7192_SYSCALIB_ZERO_SCALE) @@ -267,6 +270,8 @@ static ssize_t ad7192_write_syscalib(struct iio_dev *indio_dev, chan->address); } + iio_device_release_direct(indio_dev); + return ret ? ret : len; } |