[PATCH 00/14] ASoC: Intel/SOF: extend run-time driver selection to ACPI devices

[Mark Brown]

On Tue, Nov 24, 2020 at 11:56:36AM +0000, Rojewski, Cezary wrote:

> What the patchset presents catpt vs SOF. /sof/ runs through SOF firmware
> so it cannot be account as old-implementation. It's a mix of not
> recommended fw + incorrect sw flow. As old /haswell/ is no more, there
> is no worrying about catpt deployment - it's your only option. As there
> is no userspace involved (lack of topology files), base firmware binary
> remains the same and amixer kcontrols behave 1:1 when compared to its
> predecessor, compatibility is left intact.

> That's exactly why we should be explicit in driver selection. Pretty
> sure hsw/bdw case is still mistakenly addressed to as if it was
> atom-based platform.

It's not just the userspace interface that worries people, it's also any
board specific quirks that might turn up.  A good chunk of the work with
x86 sound support is quirking around platform specifics - look at all
the patches Hans sends for example.  In an ideal world this would just
be people worrying too much but the general history with getting generic
code working well on a wide range of x86 hardware it's hard to blame
anyone for being conservative about substantial changes in the software
stack.
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