http://voices.canonical.com/david.henningsson/2011/11/29/turn-your-mic-jack-into-a-headphone-jack/
select alc892 codec
check advanced override to allow you to change more the pin default
select headphone node 0x1b
Chang Jack detection from present to not present
http:// voices. canonical. com/david. henningsson/ 2011/11/ 29/turn- your-mic- jack-into- a-headphone- jack/
select alc892 codec
check advanced override to allow you to change more the pin default
select headphone node 0x1b
Chang Jack detection from present to not present