[alsa-devel] [PATCH] ASoC: Consider the codec->active also?when changing bias level

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Sep 29 12:10:23 CEST 2009

On Tue, Sep 29, 2009 at 09:13:13AM +0300, Peter Ujfalusi wrote:

> I see. So there is no mechanism in place which would keep the serial interface 
> up when there is an ongoing playback/capture regardless of the DAPM routing?

Not in 2.6.31.  Going forward the AIF widgets are the way to deal with

> On the other hand it also make sense to set the codec bias level to ON state, 
> when there is ongoing playback/capture. Or not, not sure about it.

Not really - the digital parts of the system are not generally sensitive
to the quality of their supplies in the way that the analogue parts are.

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