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authorPierre-Louis Bossart <[email protected]>2020-03-25 16:50:21 -0500
committerMark Brown <[email protected]>2020-03-27 15:16:32 +0000
commitb9ddd81bad19ef7b0955156e7590130127cfdaae (patch)
tree76c483b11f1bb7d981ace5d83a7527c750eb80ab /tools/perf/util/scripting-engines/trace-event-python.c
parentd2c383aa49dce9c5b59930c999099ecc580857fe (diff)
ASoC: SOF: Intel: hda: initial SoundWire machine driver autodetect
For now we have a limited number of machine driver configurations, and we can detect them based on the link configuration returned after checking hardware and firmware (BIOS) configurations. The link configuration is checked with a link_mask as well as a list of _ADR descriptors for each link. There is a chance that in extreme cases where the BIOS contains too much information we would need to detect which Slave devices actually report as 'attached'. This would be more accurate than static table-based solutions, but it also introduces timing dependencies since we don't know when those devices might become attached, so will only be only be looked at if we see limitations with static methods and the usual quirks based e.g. on DMI information. Signed-off-by: Pierre-Louis Bossart <[email protected]> Signed-off-by: Bard Liao <[email protected]> Signed-off-by: Rander Wang <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
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