[alsa-devel] Strange control interactions on Tegra Harmony

Stephen Warren swarren at nvidia.com
Thu Jan 27 23:00:17 CET 2011

Mark Brown wrote at Thursday, January 27, 2011 11:49 AM:
> On Thu, Jan 27, 2011 at 10:20:22AM -0800, Stephen Warren wrote:
> > The Right Speaker Right Bypass control works the first and all subsequent
> > times. Perhaps that's something to do with it being the last entry in
> > wm8903.c's right_speaker_mixer[] array?
> Possibly, though given the way DAPM processes those arrays I'd be a bit
> surprised if it made a difference.  More likely to be that the bypass
> paths is one of the simpler and more direct paths in the CODEC.

I found the issue, and sent patch "ASoC: Use card as parameter to exported
PM functions". I was nearly there the last time I looked at this a couple
days back.

The issue with both the headphone and speaker mute controls muting both
outputs is something else though.


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