Headphone does not work on 2.6.25 with alsa hda alc262 "model=sony-assamd" An attached patch taken from the upstream 2.6.26 can fix this problem. So please apply this patch to the next release... In details, please refer to the following openSUSE report, I think this is the same issue. https://bugzilla.novell.com/show_bug.cgi?id=402612
Created attachment 311820 [details] fix headphone with "model=sony-assamd"
Kernel 2.6.26.3-29 is available for F9 and should fix this problem.