Try to also add this to the modprobe file:
alias char-major-116 snd alias snd-card-0 snd-hda-intel alias snd-card-1 snd-hda-intel options snd cards_limit=2
Try to also add this to the modprobe file:
alias char-major-116 snd
alias snd-card-0 snd-hda-intel
alias snd-card-1 snd-hda-intel
options snd cards_limit=2