I have been experiencing the same problem on the same hardware. I confirmed that audio was fine with 2.6.35 (used in 10.10, but not 2.6.36 or later). git bisect suggests this is not necessarily an ALSA issue but a bug in i915.
More information filed at https://bugs.freedesktop.org/show_bug.cgi?id=48157 ** Bug watch added: freedesktop.org Bugzilla #48157 https://bugs.freedesktop.org/show_bug.cgi?id=48157 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/793592 Title: [Studio Hybrid 140g, Realtek ALC888, Black Digital Out, HDMI] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/793592/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
