NO, not all HDA codec allow you to change Mic Jack into the headphone jack, usually the notebook have utilialized the volume controls of the 4 or 6 channels codec and don't have any spare dac or amp for the extra headphone
http://voices.canonical.com/david.henningsson/2011/11/29/turn-your-mic-jack-into-a-headphone-jack/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1313904 Title: [W230SS, VIA VT1802, Green Headphone Out, Front] No sound after suspend/resume To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/1313904/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs