[alsa-devel] [RFC/RFT PATCH] ASoC: topology: Improve backwards compatibility with v4 topology files

[Mark Brown]

On Tue, May 22, 2018 at 02:59:35PM -0500, Pierre-Louis Bossart wrote:

> I am also not convinced by the notion that maintaining topology files is
> only a userspace/distro issue. This would mean some distros will have access
> to the required topology files, possibly enabling DSP processing
> capabilities, but other will not and will not be able to enable even basic
> playback/capture. Just like we have a basic firmware with limited
> functionality in /lib/firmware/intel, it would make sense to require a basic
> .conf file in alsa-lib for every upstream machine driver - along possibly
> with a basic UCM file so that audio works no matter what distro people use.

The point here is that people should be able to update their kernel
without updating their userspace so things have to work with whatever
they have right now - anything that relies on shipping new firmware or
configuration files to userspace is a problem.
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