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Commit 9f57e068 authored by Alison Schofield's avatar Alison Schofield Committed by Jonathan Cameron
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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: default avatarAlison Schofield <amsfield22@gmail.com>
Acked-by: default avatarDaniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 6fea8a42

drivers/iio/adc/ad7923.c

+5 −6
Original line number Diff line number Diff line
@@ -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 = iio_device_claim_direct_mode(indio_dev);

		if (ret)

			return ret;

		ret = ad7923_scan_direct(st, chan->address);

		mutex_unlock(&indio_dev->mlock);

		iio_device_release_direct_mode(indio_dev);



		if (ret < 0)

			return ret;