From b015b3e32187225ff1265c4b13f84559fd22ecd7 Mon Sep 17 00:00:00 2001 From: Matt Ranostay Date: Fri, 19 Aug 2016 13:36:09 -0700 Subject: [PATCH] iio: chemical: atlas-ph-sensor: switch to iio_device_*_direct_mode helpers Signed-off-by: Matt Ranostay Signed-off-by: Jonathan Cameron --- drivers/iio/chemical/atlas-ph-sensor.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/drivers/iio/chemical/atlas-ph-sensor.c b/drivers/iio/chemical/atlas-ph-sensor.c index ae038a59d256..696875413d10 100644 --- a/drivers/iio/chemical/atlas-ph-sensor.c +++ b/drivers/iio/chemical/atlas-ph-sensor.c @@ -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, ®); + ret = atlas_read_measurement(data, chan->address, ®); - mutex_unlock(&indio_dev->mlock); + iio_device_release_direct_mode(indio_dev); break; default: ret = -EINVAL; -- 2.30.2