I just ran the alsa-info.sh and here's the created file, hope it helps to fix my problem.
** Attachment added: "alsa-info.txt.SarbcoiUMi" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/617647/+attachment/1742945/+files/alsa-info.txt.SarbcoiUMi -- [Acer aspire 7736] Playback not working due to incorrect SKU override https://bugs.launchpad.net/bugs/617647 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