http://git.alsa-project.org/?p=alsa- lib.git;a=log;h=1af088e39b75a0a0897c7036487b143e983cd423
these two patches require 5.1 channel and you need to hack the driver by putting speaker pin, headphone pin and subwoofer pin in multiout for 5.1 http://git.alsa-project.org/?p=alsa-lib.git;a=log;h=48f1b308cc66152eb6db66742dd0d08d888cda8 these three seem try to remove the restriction -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040873 Title: [N56VZ, Realtek ALC663, Black Headphone Out, Right] No sound at all: Subwoofer not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1040873/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
