That last bullet should have read "- So far I have *NOT* successfully played a sound after the initial power down of the device until I manually unmute it by pressing the physical mute button."
I've attached my output from alsa's alsa-info.sh script, in case it is helpful beyond what apport collected automatically. ** Attachment added: "alsa.txt" http://launchpadlibrarian.net/35039418/alsa.txt -- AD1984a enters power save and never wakes up https://bugs.launchpad.net/bugs/473000 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs