Re: [PATCH v2 1/2] dmaengine: cppi41: Fix list not empty warning on runtime suspend

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* Alexandre Bailon <abailon@xxxxxxxxxxxx> [170112 09:42]:
> This solves the issue but I still have a bad playback quality.
> I don't remember if I have spoken about it so I will describe it.
> When I play audio (with your patch or mine), the music cut a lot.
> The issue go away when the MUSB driver is built in PIO mode only.
> Some experimentation I made today let me think it is related to
> PM runtime.
> I guess I should probably start another thread about that.

OK interesting. We may be able to fix that just by requesting
PM QoS for the audio device. See a fix for similar issue in thread
"[PATCH v6] ASoC: omap-mcbsp: Add PM QoS support for McBSP to
prevent glitches".

Regards,

Tony
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