Asus K50IJ-SX154L

http://wiki.ubuntuusers.de/Soundkarten_installieren/HDA

root@ludwig:/etc/sbreconfig# head -n 1 /proc/asound/card0/codec*
Codec: VIA VT1708S

root@ludwig:/etc/sbreconfig# locate -i alsa-configuration.txt
/usr/src/linux-2.6.29.6/Documentation/sound/alsa/ALSA-Configuration.txt

Do you want to modify /etc/modprobe.d/sound (and /etc/modprobe.conf if present)?

See Documentation/sound/alsa/HD-Audio.txt for more details about

  HD-audio driver.

The list of available models

  is found in HD-Audio-Models.txt

google:
http://forum.ubuntuusers.de/topic/kein-sound-asus-k50ij/#post-2141391 http://wiki.ubuntuusers.de/Baustelle/Asus_X5DIJ#Sound (Auch webcam!)

Checkout:

http://ubuntuforums.org/showthread.php?t=1208393

See wlan_and_suspend_to_ram