I installed the latest upstream kernel for another issue, and found that this issue is resolved by the 4.9 kernel. So I'll add kernel-fixed- upstream tag.
** Tags added: kernel-fixed-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1649751 Title: [20BXCTO1WW, Intel Broadwell HDMI, Digital Out, HDMI] fails after suspend/resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1649751/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
