On November 8, 2015 10:34, Mark Brown wrote: > > > Hang on, is this just recording a DC value with the ADC and then looking > > > at that? > > > The RMS of the Mic signal is taken and compared to the trigger level set. If > > it's above that level then an IRQ is raised. > > What I'm trying to figure out here is if this depends on the audio > routing at runtime or if it's got dedicated configuration? This feature is available for any/all mics connected. Which mics are enabled is a runtime configuration of routing, so to me it makes sense also that we can configure which channel triggers an event, based on our scenario at that time. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
