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iio: Add new operating mode for non triggered sw buffers

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There was a need for non triggered software buffer type.  It can be used when
triggered model does not fit and INDIO_BUFFER_HARDWARE causes confusion because
the data stream can be obtained not directly form hardware backend.

Suggested-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Karol Wrona <k.wrona@samsung.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Karol Wrona
2015-01-07 19:36:11 +01:00
committed by Jonathan Cameron
parent ab80496a81
commit 03af03ad7c
2 changed files with 6 additions and 2 deletions
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2
drivers/iio/industrialio-buffer.c
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@@ -639,6 +639,8 @@ static int __iio_update_buffers(struct iio_dev *indio_dev,
indio_dev->currentmode = INDIO_BUFFER_TRIGGERED;
} else if (indio_dev->modes & INDIO_BUFFER_HARDWARE) {
indio_dev->currentmode = INDIO_BUFFER_HARDWARE;
} else if (indio_dev->modes & INDIO_BUFFER_SOFTWARE) {
indio_dev->currentmode = INDIO_BUFFER_SOFTWARE;
} else { /* Should never be reached */
ret = -EINVAL;
goto error_run_postdisable;