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Commit b4d46409 authored by Alison Schofield's avatar Alison Schofield Committed by Jonathan Cameron
Browse files

iio: adc: ad7793: 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: default avatarAlison Schofield <amsfield22@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 4d19c487

drivers/iio/adc/ad7793.c

+4 −6
Original line number Diff line number Diff line
@@ -519,11 +519,9 @@ static int ad7793_write_raw(struct iio_dev *indio_dev, 
	int ret, i;

	unsigned int tmp;



	mutex_lock(&indio_dev->mlock);

	if (iio_buffer_enabled(indio_dev)) {

		mutex_unlock(&indio_dev->mlock);

		return -EBUSY;

	}

	ret = iio_device_claim_direct_mode(indio_dev);

	if (ret)

		return ret;



	switch (mask) {

	case IIO_CHAN_INFO_SCALE:
@@ -548,7 +546,7 @@ static int ad7793_write_raw(struct iio_dev *indio_dev, 
		ret = -EINVAL;

	}



	mutex_unlock(&indio_dev->mlock);

	iio_device_release_direct_mode(indio_dev);

	return ret;

}