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

From: Mark Brown
Date: Wed May 23 2018 - 04:56:14 EST

On Tue, May 22, 2018 at 02:59:50PM -0700, Guenter Roeck wrote:

> Most people are not aware that they have a backwards compatibility problem
> with the topology file. They will typically notice and report that it is
> impossible to get audio working with an upstream kernel on a recent
> Chromebook, and as users they rarely know about development mailing lists.
> Some technical discussions are at


> though I had seen others earlier. Guess next time I'll have to preserve
> links. Anyway, I am not really much interested in an argument/discussion
> about my use of the term "widely". I'll rephrase that paragraph in the next
> version of the patch, should it come to that.

Right, looks like the disconnect I thought it was - this has been
discussed a lot within your distro (and possibly others) but not outside
it so the rest of us are all a bit surprised.

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