Headphones/Analog Output switching like crazy

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http://askubuntu.com – I have a sabertooth 990fx motherboard, which comes with the ALC 892 audio solution from Realtek. The system works great, but for some reason Ubuntu/Pulseaudio switches between Headphones and Analog Output like crazy, causing a pop. This happens about every fifth second. Is there a way to stop Ubuntu from constantly switching between Analog Output and Headphones? I don't have this problem with my headphones btw. Thanks for any help in advance! :) EDIT - I'm using 12.04 Alpha Strangely though, if i plug the jack into the gray output marked "side" i suddenly get fully working stereo without cra (HowTos)