[alsa-devel] Problem with audio card

[Angelo D.]

Hi, i have a problem with my audio card. I hear sound from headphones but i can't hear sound without headphones.This is the result of the esecution alsa-info.sh: 
http://www.alsa-project.org/db/?f=4a72836b153be44d5a3b84bce66638fe41afadb7 

This is the link to my related post on ubuntuforum:
http://ubuntuforums.org/showthread.php?p=8707917#post8707917

 Angelo Di Gennaro