There seems to be an issue when suspending the ALC5650. I think the
nondeterministic behavior I was seeing just had to do with whether or
not the DSP had yet suspended.
I reverted commit 0d2135ecadb0 ("ASoC: Intel: Work around to fix HW D3
potential crash issue") and things started working, including
suspend/resume of the DSP. Any ideas for why this may be? I would like
to resolve this so I can finish upstreaming the bdw-rt5650 machine
driver.
Copying Keyon in case he remembers the context.
Reverting a 5yr-old commit with all sorts of clock/power-related fixes
looks brave, and it's not clear why this would work with the rt5677 and
not with 5650.
Are you using the latest upstream firmware btw? Or the one which shipped
with the initial device (which could be an issue if the protocol changed).
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