diff options
Diffstat (limited to 'drivers/iio/addac/ad74413r.c')
| -rw-r--r-- | drivers/iio/addac/ad74413r.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/iio/addac/ad74413r.c b/drivers/iio/addac/ad74413r.c index daea2bde7acf..f14d12b03da6 100644 --- a/drivers/iio/addac/ad74413r.c +++ b/drivers/iio/addac/ad74413r.c @@ -826,6 +826,8 @@ static int _ad74413r_get_single_adc_result(struct ad74413r_state *st, unsigned int uval; int ret; + guard(mutex)(&st->lock); + reinit_completion(&st->adc_data_completion); ret = ad74413r_set_adc_channel_enable(st, channel, true); @@ -865,12 +867,14 @@ static int ad74413r_get_single_adc_result(struct iio_dev *indio_dev, unsigned int channel, int *val) { struct ad74413r_state *st = iio_priv(indio_dev); + int ret; - iio_device_claim_direct_scoped(return -EBUSY, indio_dev) { - guard(mutex)(&st->lock); - return _ad74413r_get_single_adc_result(st, channel, val); - } - unreachable(); + if (!iio_device_claim_direct(indio_dev)) + return -EBUSY; + + ret = _ad74413r_get_single_adc_result(st, channel, val); + iio_device_release_direct(indio_dev); + return ret; } static void ad74413r_adc_to_resistance_result(int adc_result, int *val) |