seem support surround 5.1 by retasking mic jack http://support1.ap.dell.com/cn/zh/forum/thread.asp?fid=35&tid=132304
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1284466 Title: [Inspiron 1420, SigmaTel STAC9228, Speaker, Internal] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1284466/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs