Put order on your sound modules on debian
On debian without pulseaudio program on everry restart sound card not assigned correctly.Follow configurations prevent this issue:
Edit and add follow line on /etc/modprobe.d/blacklist.conf as follow ;
echo -e "blacklist first-card\nblacklist second-card\nblacklist third-card " >> /etc/modprobe.d/blacklist.conf
echo -e "modprobe first-card\nmodprobe second-card\nmodprobe third-card" >> /etc/rc.local
and put the last one "exit 0".