Kernel.org: 3.3.7, 
sid (unstable): 3.2.18-1
wheezy (testing): 3.2.17-1
kmuto bpo d-i: 
squeeze-bpo: 3.2.15-1~bpo60+1
squeeze (stable): 2.6.32-45
lenny (oldstable): 

Debian GNU/Linux device driver check & report

ASUS: L8400K series Notebook PC

PCI IDWorks?VendorDeviceDriverKernel
125d1988YesESS TechnologyES1988 Allegro-1snd-maestro3v2.6.25-
125d1989YesESS TechnologyESS Modemsnd-maestro3v2.6.25-

does not work with kernel  2.6.32-5-686 (squeeze) with  firmware installed from ftp://ftp.alsa-project.org/pub/firmware/alsa-firmware-1.0.23.tar.bz2 (2010-10-14 04:30:42)