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With this change, we create a new directory for the IIO device called buffer0, under which both the old buffer/ and scan_elements/ are stored. This is done to simplify the addition of multiple IIO buffers per IIO device. Otherwise we would need to add a bufferX/ and scan_elementsX/ directory for each IIO buffer. With the current way of storing attribute groups, we can't have directories stored under each other (i.e. scan_elements/ under buffer/), so the best approach moving forward is to merge their attributes. The old/legacy buffer/ & scan_elements/ groups are not stored on the opaque IIO device object. This way the IIO buffer can have just a single attribute_group object, saving a bit of memory when adding multiple IIO buffers. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Link: https://lore.kernel.org/r/20210215104043.91251-13-alexandru.ardelean@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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