forked from Minki/linux
iio: adc: ad7476: 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: Alison Schofield <amsfield22@gmail.com> Acked-by: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -106,12 +106,11 @@ static int ad7476_read_raw(struct iio_dev *indio_dev,
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switch (m) {
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switch (m) {
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case IIO_CHAN_INFO_RAW:
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case IIO_CHAN_INFO_RAW:
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mutex_lock(&indio_dev->mlock);
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ret = iio_device_claim_direct_mode(indio_dev);
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if (iio_buffer_enabled(indio_dev))
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if (ret)
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ret = -EBUSY;
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return ret;
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else
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ret = ad7476_scan_direct(st);
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ret = ad7476_scan_direct(st);
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mutex_unlock(&indio_dev->mlock);
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iio_device_release_direct_mode(indio_dev);
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if (ret < 0)
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if (ret < 0)
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return ret;
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return ret;
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