On Fri, Mar 26, 2021 at 03:05:58PM -0400, Dan Ritter wrote: > 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. [...] > > > 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? Thanks. That'd be the next stop, but I was struggling to find the name :) > 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? Ugh. A construction like this [1], where the mic is shorted with varying resistors to transmit signals? Ugly hacks folks come up with, that :-/ Cheers [1] https://askubuntu.com/questions/963447/use-button-on-headset - t
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