[alsa-devel] [PATCH v6] ASoC: add RT286 CODEC driver

Mark Brown broonie at kernel.org
Fri Apr 18 12:37:15 CEST 2014

On Thu, Apr 17, 2014 at 05:39:08AM +0000, Bard Liao wrote:

> > You can implement non-register DAPM widgets - look at the virtual controls in the
> > core, or things using SND_SOC_NOPM.

> It means dapm widget will not control the codec directly, right? 
> I.e. Everything will be done by _event?

The framework won't do anything directly, yes.

> For simplest the driver, can I not define .dapm_widgets and .dapm_routes?
> All controls will be done in .controls.

It is mandatory to have at least some DAPM support, not having DAPM was
such a constant source of bugs that we stopped supporting it.
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