Asus P5Q Pro : sound configuration

To having soung with my Asus P5Q Pro, i've make the following configuration :

1) Kernel configuration :

Device Drivers
--> Sound card support
--> Advanced Linux sound architecture
--> PCI sound device (*) Intel HD audio


2) Add audio group to the user : usermod -G audio monUtilisateur

3) In the file : /etc/modprobe.d/alsa.conf, i've add the following line : options snd-hda-intel

4) Then i reboot and I saw an icon on my task bar.So I make a double click on it and I disable mute option fot Front :
Liens utiles :
IntelaudioHowto