[alsa-devel] [PATCH 1/2] ASoC: tegra+alc5632: Swap MICBIAS1 and MIC1 dapm widgets
danindrey at mail.ru
Tue Jul 10 08:17:09 CEST 2012
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:
> > From: Andrey Danin <danindrey at mail.ru>
> > 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" ?
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