[Sound-open-firmware] [External] Re: Backport of SOF driver to 5.2.9 fixes

[Mark Pearson]

> > I backported these commits to address the problem:
> >
> https://github.com/thesofproject/linux/commit/bf705eaa7ce07f9c132f8e36
> 7fc2fc46b7842528#diff-cea2d94f890861b7634fd37c0b28f5e1
> >
> >
> https://github.com/thesofproject/linux/commit/64632de9140e52b72781fefe
> 542314db7cd29d8c#diff-cea2d94f890861b7634fd37c0b28f5e1
> >
> >
> https://github.com/thesofproject/linux/commit/7623ae793c28cc0928c5d129
> 2542dbb92fc2e9e2#diff-8f8468b53f48ad4bb215687e90b21d04
> >
> >
> https://github.com/thesofproject/linux/commit/f5dbba9fee801f4678a50d92
> c785f7f24d4ee2c6#diff-8f8468b53f48ad4bb215687e90b21d04
> >
> https://github.com/thesofproject/linux/commit/bb1ea3b31c28a131a5f5a50d
> d325198645526b19#diff-cea2d94f890861b7634fd37c0b28f5e1
> >
> > We're still doing some testing to get confidence the fix is correct
> > and stable but so far it looks good - everything is working.
> Hi Mark,
> All of the above changes are related to the HDA Link DMA programming
> changes that were made a few months ago. These changes work only with
> FW ABI version 3.8+.
> 
> I'd also take these as they were part of the original series and a couple of bug
> fixes later on:
> 
> ASoC: SOF: hda: reserve host DMA channel for hostless streams
> ASoC: SOF: hda: couple host and link DMA during FE hw_free
> ASoC: SOF: hda: fix link DMA config
> ASoC: SOF: hda: fix stream id setting
> 
Thanks Ranjani!
I'll definitely go and look at those. I think I'd identified them as potential candidates and then when everything worked I'd been hesitant to pull in more changes :)
I really appreciate you taking the time to do the review. Thank you
Mark