Re: Button events from headphone+micro combo
Stefan Monnier wrote:
> >> My Librem mini comes with a an audio jack in the front into which I can
> >> connect the same headphones-with-micro as used typically on phones.
> >> This works fine to the extent that I can hear the audio out and it can
> >> grab the audio from the microphone, but what about the buttons
> >> (typically used to increase/decrease volume and stop/play music)?
> >> How can I capture those events to make them do something useful?
> > Do the events "arrive" somewhere in the Big Software Stack [1] ?
>
> I wish I knew.
>
> > To stick the fork into a random point: what does xev say?
>
> It stays desperately silent when I press those buttons (tho it is as
> chatty as usual when I move the mouse or hit keyboard keys, of course).
Does acpi-listen pick them up?
It's entirely possible that the Librem doesn't have a sound chip
that translates impedance changes to button clicks. You could
ask the hardware folks, right?
-dsr-
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