http://support.dell.com/support/systemsinfo/document.aspx?~file=/systems/dime520/en/sm_en/specs.htm
Type Sigmatel 9227 Audio six connectors for 7.1 support https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?id=4ff076e5d925d8f714b88a1d3992796f89b45450 it is incorrect to use DELL_3STACK if your desktop have 6 jacks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1104565 Title: [Regression] DELL DIMENSION E520 -STAC9227 - No sound through headphone jack since last update of ubuntu 12.04.1LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1104565/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs