ASoC: SOF: sof-audio: fix prepare/unprepare

Merge series from Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>:

2 patches from Rander required to enable mixing usages with multiple
pipelines.
This commit is contained in:
Mark Brown 2022-09-20 22:32:16 +01:00
commit 08820902ef
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