[alsa-devel] [PATCH] ASoC: wm8731: set the ACTIVE bit if bias ON entered

Mark Brown broonie at opensource.wolfsonmicro.com
Fri Jul 1 18:15:07 CEST 2011

On Fri, Jul 01, 2011 at 12:43:54PM +0200, Nicolas Ferre wrote:
> Resuming from a suspend/resume cycle, the ACTIVE bit was not set even if a
> stream had actually been processing.
> Setting this bit at entering SND_SOC_BIAS_ON level will ensure this.

This will set the bit even for analogue bypass paths which don't need
it.  I'd suggest making the active bit a supply widget supplying the DAC
and ADC rather than something open coded, that should do the right thing
I think.

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