Nikhil, I have managed to get mine working - please see here: https://wiki.ubuntu.com/Gutsy_Intel_HD_Audio_Controller#head-1f2c18721a2ecb093f6cf8f64d1ad8ddb13c4d0c
Nikhil, I have managed to get mine working - please see here: https:/ /wiki.ubuntu. com/Gutsy_ Intel_HD_ Audio_Controlle r#head- 1f2c18721a2ecb0 93f6cf8f64d1ad8 ddb13c4d0c