[Alsa-user] no sound in dell xps 1530

Hi group, I have no sound on Dell XPS 1530 with Intel 82801H (ICH8) sound card (audio controller Sigmatel STAC9228). I updated to alsa - 1.0.17. I append below outputs from alasconf, alsamixer and alsa-info.sh Any clue to resolve the problem is wellcome. Purnendu Here is the output from alsa

[Alsa-user] snd_hda_intel

Hi, I know that there are lot people having same kind of problem. I havesearched over the net for solution but in vain. Finally, I decided theask this list. I have Intel Corp. 82801FB/FBM/FR/FW/FRW (ICH6 Family sound card. I have installed alsa 1.0.10 and alsaconf can recognize the card..but no so