[maemo-developers] N800 audio connector jack

[From: Gopi Flaherty]

On Sep 4, 2007, at 7:24 PM, Jami Pekkanen wrote:
> Is it possible that something special is required in the input
> connection? There at least seems to be some resistors in the headset's
> circuit, but I assumed they are just for the push-button. Also does
> anybody have a pinout for the jack?

I've worked with some systems that sensed the input impedance. You  
may want to try putting a small resistor in there. I believe that one  
of the iPaqs even tried to work as mono out/ mono in or stereo out on  
three pins, depending on the impedance of the output.

Perhaps measuring the impedance of the headset first, then putting  
resistors on to your device, and then taking them off one by one to  
see which was necessary would work?