Messages in this thread | | | From | "Opensource [Adam Thomson]" <> | Subject | RE: [PATCH 2/2] ASoC: codecs: Add da7218 codec driver | Date | Mon, 9 Nov 2015 12:28:39 +0000 |
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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.
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