Comment 6 for bug 538383

tomx that script worked for me.

You were missing the ! after the hash character.

#!/bin/sh
modprobe snd-hda-intel
cd /sys/bus/pci/drivers/HDA\ Intel/
echo '8086 3b57' > new_id

Also did you do the following commands
# chmod +x <script name>
# update-rc.d <script name> defaults