[alsa-devel] [RFC] SoC WM8940 Driver

[Mark Brown]

On Mon, Apr 27, 2009 at 11:40:43AM +0000, Jonathan Cameron wrote:

> As in snd_soc_dapm_add_route only mux, switch and mixer controls can take
> a control element.

You can modify the core, or if you're not keen on doing that just drop
this feature for now - it's relatively rarely used.

> Nearest I can currently come up with is to insert a mux with only one option...

It'd need to be a mixer, at least.  A mux with only one option could
never be disabled.