Compilacao de alsa driver no Ubuntu

https://help.ubuntu.com/community/HdaIntelSoundHowto
http://monespaceperso.org/blog-en/2009/08/31/upgrade-alsa-1-0-21-on-ubuntu-jaunty-9-04/

Instalar as dependências:

sudo apt-get install build-essential libncurses-dev gettext xmlto xmltoman linux-headers-`uname -r` libncursesw5-dev

Baixar os drivers da pagina http://www.alsa-project.org/main/index.php/Main_Page

alsa-driver
alsa-lib
alsa-utils

Descompactar os arquivos com o comando tar -xvjf arquivo.tar.bz2

Configurar os drivers:

cd alsa-driver*
./configure --prefix=/usr --with-cards=hda-intel
make
sudo make install

cd ../alsa-lib*
./configure --prefix=/usr
make
sudo make install

cd ../alsa-utils*
./configure --prefix=/usr
make
sudo make install

E como no ponto final executar o configurador de ALSA

sudo alsaconf

Reboot