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iio: chemical: atlas-ph-sensor: switch to iio_device_*_direct_mode helpers

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Signed-off-by: Matt Ranostay <mranostay@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Matt Ranostay 2016-08-19 13:36:09 -07:00 committed by Jonathan Cameron
parent 4d671b71be
commit b015b3e321
1 changed files with 5 additions and 7 deletions
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12
drivers/iio/chemical/atlas-ph-sensor.c
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@ -402,15 +402,13 @@ static int atlas_read_raw(struct iio_dev *indio_dev,
case IIO_PH:
case IIO_CONCENTRATION:
case IIO_ELECTRICALCONDUCTIVITY:
mutex_lock(&indio_dev->mlock);
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
if (iio_buffer_enabled(indio_dev))
ret = -EBUSY;
else
ret = atlas_read_measurement(data,
chan->address, &reg);
ret = atlas_read_measurement(data, chan->address, &reg);
mutex_unlock(&indio_dev->mlock);
iio_device_release_direct_mode(indio_dev);
break;
default:
ret = -EINVAL;