did your Onkyo AV receiver TX-SR606 pass EDID to nvidia HDMI controller ? MCP73 only support 48000Hz stereo and digital passthrough
graphic driver won`t provide the connect status of HDMI and ELD to audio driver it strange that your alsa-lib still 1.0.16 the index of IEC958 playback switch should be 16 and 0 instead of 0 and 1 for spdif and hdmi have you follow up with David and Stephen since you won't get PD and eld_valid when ELD and PD information is not available on these chipsets. 2678.137879] HDMI hot plug event: Codec=0 Pin=5 Presence_Detect=1 ELD_Valid=1 [ 2678.137899] HDMI status: Codec=0 Pin=5 Presence_Detect=1 ELD_Valid=1 https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/974963 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1249705 Title: HDMI output not available in 13.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1249705/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs