There is a possible fix for this problem in the newly released 2.6.34-rc3 linux kernel. From the changelog:
Daniel T Chen (3): ALSA: ac97: Add IBM ThinkPad R40e to Headphone/Line Jack Sense blacklist
There should soon be a PPA of this kernel RC available at http://kernel.ubuntu.com/~kernel-ppa/mainline/
There is a possible fix for this problem in the newly released 2.6.34-rc3 linux kernel. From the changelog:
Daniel T Chen (3):
ALSA: ac97: Add IBM ThinkPad R40e to Headphone/Line Jack Sense blacklist
There should soon be a PPA of this kernel RC available at http:// kernel. ubuntu. com/~kernel- ppa/mainline/