[alsa-devel] [PATCH 1/2] ASoC: tegra+alc5632: Swap MICBIAS1 and MIC1 dapm widgets

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Jul 10 15:51:52 CEST 2012

On Tue, Jul 10, 2012 at 10:17:09AM +0400, Andrey Danin wrote:
> Mon, 9 Jul 2012 17:44:41 +0100 от Mark Brown <broonie at opensource.wolfsonmicro.com>:
> > On Sat, Jul 07, 2012 at 03:36:29PM +0200, Marc Dietrich wrote:

Please fix your mailer to word wrap within paragraph.

> >  > MICBIAS1 is an internal widget. If MICBIAS1 is connected to the board
> >  > driver instead of the MIC1 ASoC core, it enables widgets even if the
> >  > capture stream isn't active.

> >  What exactly is MICBIAS1 then? It sounds horribly named...

> According to alc5632 documentation alc5632 has one physical pin named
> MICBIAS (MIC BIAS Voltage Output).  MICBIAS1 is declared as
> SND_SOC_DAPM_SUPPLY. It describes "MICBIAS1 Power" bit in power
> management register.  Should "MICBIAS1/2" be renamed to "MICBIAS1/2
> Power" ?

Sounds like it might be plausible, and whatever controls the external
MICBIAS pin probably ought to be renamed to MICBIAS.
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