[alsa-devel] [PATCH] ASoC: TWL4030: DAC power optimization

Liam Girdwood lrg at slimlogic.co.uk
Tue Jul 13 12:31:36 CEST 2010

On Tue, 2010-07-13 at 10:37 +0100, Mark Brown wrote:
> On Tue, Jul 13, 2010 at 12:07:44PM +0300, Peter Ujfalusi wrote:
> > Restructure the DAPM connections in order to enable
> > only the needed DAC (out of four in twl4030 series).
> > I need to keep the 'AIF Enable' supply connected to
> > the L2/R2 digital path, since the digital loopback
> > needs AIF and APLL running.
> > If no valid route available, than none of the DAC will
> > be powered, but the AIF and APLL is going to be enabled.
> > Furthermore, if only one audio path have valid route,
> > than only the corresponding DAC will be powered.
> > 
> > Signed-off-by: Peter Ujfalusi <peter.ujfalusi at nokia.com>
> Acked-by: Mark Brown <broonie at opensource.wolfsomicro.com>



Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.

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