[alsa-devel] [PATCH v2 02/12] ASoC: rt5677: Load firmware via SPI using delayed work

[Curtis Malainey]

On Tue, Oct 22, 2019 at 9:13 AM Mark Brown <broonie at kernel.org> wrote:
>
> On Fri, Oct 18, 2019 at 01:04:39PM -0700, Curtis Malainey wrote:
>
> > When 'DSP VAD Switch' is turned on, rt5677_set_vad_source()
> > enables the following digital path:
>
> > DMIC L1 ->
> > Mono DMIC L Mux ->
> > Mono ADC2 L Mux ->
> > Mono ADC MIXL ->
> > VAD ADC Mux ->
> > IB01 Mux
>
> This still looks like something I'd expect to be configured by userspace
> rather than hard coded in the driver, what happens on a system where
> someone wants to do voice detection on another DMIC?

You are right, I forgot to add that to the dapm paths, got distracted
by the race conditions I was fixing. I am thinking the best route is a
mux object that the driver turns on but has its route selected by
userspace to the various DMICs. Would that suffice?