iio: adc: ad7298: use iio helper function to guarantee direct mode (d02ec00d) · Commits · 戴 / test

Replace the code that guarantees the device stays in direct mode with iio_device_claim_direct_mode() which does same. Signed-off-by:

Alison Schofield <amsfield22@gmail.com> Cc: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by:

drivers/iio/adc/ad7298.c

+10 −10

Original line number	Diff line number	Diff line
		@@ -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 {
		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);
		}
		mutex_unlock(&indio_dev->mlock);

		iio_device_release_direct_mode(indio_dev);

		if (ret < 0)
		return ret;