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Commit d02ec00d authored by Alison Schofield's avatar Alison Schofield Committed by Jonathan Cameron
Browse files

iio: adc: ad7298: 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 b4d46409

drivers/iio/adc/ad7298.c

+10 −10
Original line number Original line Diff line number Diff line
@@ -239,16 +239,16 @@ static int ad7298_read_raw(struct iio_dev *indio_dev, 




	switch (m) {

	switch (m) {

	case IIO_CHAN_INFO_RAW:

	case IIO_CHAN_INFO_RAW:

		mutex_lock(&indio_dev->mlock);

		ret = iio_device_claim_direct_mode(indio_dev);

		if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) {

		if (ret)

			ret = -EBUSY;

			return ret;

		} else {



		if (chan->address == AD7298_CH_TEMP)

		if (chan->address == AD7298_CH_TEMP)

			ret = ad7298_scan_temp(st, val);

			ret = ad7298_scan_temp(st, val);

		else

		else

			ret = ad7298_scan_direct(st, chan->address);

			ret = ad7298_scan_direct(st, chan->address);

		}



		mutex_unlock(&indio_dev->mlock);

		iio_device_release_direct_mode(indio_dev);





		if (ret < 0)

		if (ret < 0)

			return ret;

			return ret;