@arno: Does it make a difference if you try "options snd-hda-intel model=olpc-xo-1_5,dell-vostro"? I found this to work with Fedora 15 64-bit.
@arno: Does it make a difference if you try "options snd-hda-intel model=olpc- xo-1_5, dell-vostro" ? I found this to work with Fedora 15 64-bit.