iio: backend: add new functionality

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This adds the needed backend ops for supporting a backend inerfacing
with an high speed dac. The new ops are:

* data_source_set();
* set_sampling_freq();
* extend_chan_spec();
* ext_info_set();
* ext_info_get().

Also to note the new helpers that are meant to be used by the backends
when extending an IIO channel (adding extended info):

* iio_backend_ext_info_set();
* iio_backend_ext_info_get().

Signed-off-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240419-iio-backend-axi-dac-v4-8-5ca45b4de294@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Nuno Sa 2024-04-19 10:25:41 +02:00 • committed by Jonathan Cameron

parent a33486d38e

commit 87800c4342

2 changed files with 228 additions and 0 deletions

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179

drivers/iio/industrialio-backend.c

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49

include/linux/iio/backend.h

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