[alsa-devel] [PATCH] ASOC:DAPM: extend dapm kcontrol to support runtime route update

Mark Brown broonie at kernel.org
Fri Dec 13 12:42:15 CET 2013

On Fri, Dec 13, 2013 at 12:37:20PM +0100, Takashi Iwai wrote:

> Usually backward compatibility is concerned when something new breaks
> the existing ones.  In your case, always updating DPCM would work,
> too, even without an extra flag; it's just suboptimal.

Right, and if we have separate versions then at some point we'll end up
having to define DPCM versions of everything which is going to get
tedious and error prone.
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