Comment 14 for bug 219556

I have the same problem. if I don't set model=fujitsu in /etc/modprobe.d/alsa-base headphones doesn't work. before update of my ubuntu it works, not perfectly but I was able to nute speaker from mixer. now there is no way to mute speakers.

system infos
-----------------
uname -a :
Linux laptop 2.6.24-18-generic #1 SMP Wed May 28 20:27:26 UTC 2008 i686 GNU/Linux

dpkg -s linux-ubuntu-modules-$(uname -r) :
Package: linux-ubuntu-modules-2.6.24-18-generic
Status: install ok installed
Priority: optional
Section: base
Installed-Size: 14960
Maintainer: Ubuntu Kernel Team <email address hidden>
Architecture: i386
Source: linux-ubuntu-modules-2.6.24
Version: 2.6.24-18.26
Provides: ndiswrapper-modules-1.9
Depends: linux-image-2.6.24-18-generic
Pre-Depends: dpkg (>= 1.10.24)
Description: Ubuntu supplied Linux modules for version 2.6.24 on x86/x86_64
 This package contains modules supplied by Ubuntu for Linux kernel 2.6.24 on
 x86/x86_64.
 .
 You likely do not want to install this package directly. Instead, install
 the linux-generic meta-package, which will ensure that upgrades work
 correctly, and that supporting packages are also installed.