ASoC: SOF: Fixes for Intel HD-Audio DMA stopping

Merge series from Kai Vehmanen <kai.vehmanen@linux.intel.com>:

	Implement an updated programming sequence to handle DMA stop for Intel
	HD-Audio DMA.

	The new flow is only used if the firmware is sufficiently new to
	support the feature. SOF1.9.2 is the first release with the updated
	flow. The kernel changes are backwards compatible with old firmware
	releases. Likewise new firmware releases will work with old kernel.

	Series reviewed originally at:
	https://github.com/thesofproject/linux/pull/3167
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Mark Brown 2021-11-27 01:27:27 +00:00
commit 335302dbc2
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8 changed files with 180 additions and 84 deletions