Comment 13 for bug 993717

please post the pulseaudio vervose log to check why pulseaudio selec both iec958 input and output as ctive port

your m2n sli is hardcoded to use model 6stick-dig

http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=commit;h=a64c8cd6e22bbc6a101da5b827e720fff35a5ab9