On November 6, 2015 11:22, Mark Brown wrote:
> > > > +static int da7218_mic_lvl_det_sw_put(struct snd_kcontrol *kcontrol,
> > > > + struct snd_ctl_elem_value *ucontrol)
> > > > +{
>
> > > Why is this a user visible control?
>
> > I can envisage in a system you may want to choose which capture channels can
> > trigger level detection (if any), and this may change depending on the use-case
> > at the time, so having it as a control makes sense to me.
>
> What is a "capture channel" here?
Input filters 1L/R and 2L/R, which are fed from either Mic1(ADC1) or DMic1L/R
and Mic2(ADC2) or DMic2L/R.
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