Messages in this thread | | | Date | Mon, 2 Jan 2017 10:33:45 +0100 | From | Pavel Machek <> | Subject | Re: Nokia N900 sound driver and ECI GPIOs |
| |
Hi!
> > I'd like to get detection of headset button presses to work in recent > > kernels, but could not figure it out :-(. > > > My vague memory doesn't tell how basic button press detection was > implemented in Maemo kernel. Was it codec, same voltage detection > circuit than ECI or some another GPIO? I don't even remember did we > implement it for the MeeGo N900 developer edition :-(
Another GPIO, as far as I can tell. There was some delay logic in 2.6 kernel (it removed false events happening when jack was inserted), other that that it should be quite simple. (But I did not yet figure it out in 4.x kernel).
Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [unhandled content-type:application/pgp-signature] | |