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

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
......@@ -239,16 +239,16 @@ static int ad7298_read_raw(struct iio_dev *indio_dev,
switch (m) {
case IIO_CHAN_INFO_RAW:
mutex_lock(&indio_dev->mlock);
if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) {
ret = -EBUSY;
} else {
if (chan->address == AD7298_CH_TEMP)
ret = ad7298_scan_temp(st, val);
else
ret = ad7298_scan_direct(st, chan->address);
}
mutex_unlock(&indio_dev->mlock);
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
return ret;
if (chan->address == AD7298_CH_TEMP)
ret = ad7298_scan_temp(st, val);
else
ret = ad7298_scan_direct(st, chan->address);
iio_device_release_direct_mode(indio_dev);
if (ret < 0)
return ret;
......
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