http://www.alsa-project.org/alsa-doc/alsa-lib/pcm_plugins.html
since pulseaudio open front, iec958 for both playback and capture at the same time you need to ensure those front and iec958 can be open at the same time by using asymmetric plugin so the those controls in hook plugin are used for playback only http://git.alsa-project.org/?p=alsa-lib.git;a=commitdiff;h=ea020c3b2e678f2a29df468ec7da09f9d5785194;hp=922ff0da833e726054df2fc87abdc201fbc5e21b -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1329014 Title: [Audigy2 - SB Audigy 2 [SB0240], playback] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1329014/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs