Samsung NP-Q1 Ubuntu Linux sound problem

Reference : https://help.ubuntu.com/community/HdaIntelSoundHowto 

sudo nano /etc/modprobe.d/alsa-base.conf

Then paste the following line at the end of the file (change MODEL with 
the type of sound card's model, in our example it should be "acer" 
(without quotation marks)): 

options snd-hda-intel model=samsung