diff options
| author |   Alison Schofield <amsfield22@gmail.com> | 2016-05-24 12:19:49 -0700 |
|---|---|---|
| committer |   Jonathan Cameron <jic23@kernel.org> | 2016-05-29 19:36:59 +0100 |
| commit | 9f57e068e01c14f34f69244e1f4a6c567d93cdfe (patch) | |
| tree | ee5498b9faea68313d728b468090cbc4182aecfe /drivers/iio | |
| parent | iio: adc: ad7887: use iio helper function to guarantee direct mode (diff) | |
| download | linux-dev-9f57e068e01c14f34f69244e1f4a6c567d93cdfe.tar.xz linux-dev-9f57e068e01c14f34f69244e1f4a6c567d93cdfe.zip | |
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>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/adc/ad7923.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c index 45e29ccd824f..ff444c19d749 100644 --- a/drivers/iio/adc/ad7923.c +++ b/drivers/iio/adc/ad7923.c @@ -233,12 +233,11 @@ static int ad7923_read_raw(struct iio_dev *indio_dev, 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; |