modprobe.conf

alias snd-card-0 snd-ca0106
options snd-card-0 index=0
options snd-ca0106 index=0
remove snd-ca0106 { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-ca0106