On 2019-07-26 01:39, Pierre-Louis Bossart wrote:
The existing upstream code allows for SoundWire devices to be
enumerated and managed by the bus, but streaming is not currently
supported.
Bard Liao, Rander Wang and I did quite a bit of integration/validation
work to close this gap and we now have SoundWire streaming + basic
power managemement on Intel CometLake and IceLake reference
boards. These changes are still preliminary and should not be merged
as is, but it's time to start reviews. While the number of patches is
quite large, each of the changes is quite small.
SOF driver changes will be submitted shortly as well but are still
being validated.
ClockStop modes and synchronized playback on
multiple links are not supported for now and will likely be part of
the next cycle (dependencies on codec drivers and multi-cpu DAI
support).
Acknowledgements: This work would not have been possible without the
support of Slawomir Blauciak and Tomasz Lauda on the SOF side,
currently being reviewed, see
https://github.com/thesofproject/sof/pull/1638
Comments and feedback welcome!
Hello Pierre,
This patchset is pretty large - I'd suggest dividing next RFC into
segments: debugfs, info, power-management, basic flow corrections and
frame shape calculator.
Some commits have no messages and others lack additional info - tried to
provide feedback wherever I could, though, especially for the last one,
it would be vital to post additional info so in-depth feedback can be
provided.
Maybe nothing for calculator will come up, maybe something will. In
general I remember it being an essential part of SDW and one where many
bugs where found during the initial verification phase.
Thanks for your contribution and have a good day!
Czarek
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