iio: adc: ad7923: use iio helper function to guarantee direct mode
Replace the code that guarantees the device stays in direct mode
with iio_device_claim_direct_mode() which does same.
Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
index 45e29cc..ff444c1 100644
--- a/drivers/iio/adc/ad7923.c
+++ b/drivers/iio/adc/ad7923.c
@@ -233,12 +233,11 @@
switch (m) {
case IIO_CHAN_INFO_RAW:
- mutex_lock(&indio_dev->mlock);
- if (iio_buffer_enabled(indio_dev))
- ret = -EBUSY;
- else
- ret = ad7923_scan_direct(st, chan->address);
- mutex_unlock(&indio_dev->mlock);
+ ret = iio_device_claim_direct_mode(indio_dev);
+ if (ret)
+ return ret;
+ ret = ad7923_scan_direct(st, chan->address);
+ iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;