[ubuntu] Pavilion dm1 combo jack support

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http://ubuntuforums.org – I don't know if you already posted a solution for this issue, but after done some searching i couldn't find anything. When i plug my headphones into the combo jack (i don't know if it's the actual name, but this is how i call it cause it's one hole for mic/headphones), the sound secuentially changes between headphones and the laptop speakers. It is very annoying and it caused me some trouble, because i work in a university science lab in bioinformatics with many other people, and i cant listen to my music. This is not a problem that happens everytime i plug my headphones, it just randomly a (Hardware)