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[SDW] Overshoot on RT715 record #1480

@plbossart

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@plbossart

when I try the latest code and UCM file, I hear a very loud pop noise when I play on RT1308 the files I recorded w/ RT715.

Looking at the file
plb.wav.gz
, this seems to be a record issue: there's a quite strong overshoot on startup, wondering if we are missing some settings in the RT715, or of we need to insert a DC component removal in the SOF topology as we do for DMICs (copying @singalsu ).
Screenshot from 2019-11-13 16-01-07

@shumingfan @bardliao can you reproduce this?

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CMLApplies to Comet Lake platformSDWApplies to SoundWire bus for codec connectionSDW_DEVSDW bug reproduced by developers, fix WIPbugSomething isn't working

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