Comment 0 for bug 461631

On my Dell 1420N I can only get sound by plugging in my headphones.
lspci reports the following:
david@kinitos:~$ lspci | grep Audio
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)

ProblemType: Bug
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: david 1693 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfe9fc000 irq 21'
   Mixer name : 'SigmaTel STAC9228'
   Components : 'HDA:83847616,102801f3,00100201 HDA:14f12c06,14f1000f,00100000'
   Controls : 29
   Simple ctrls : 19
CheckboxCommand: alsa_record_playback
CheckboxTest: alsa_record_playback_alternates
Date: Mon Oct 26 22:53:20 2009
DistroRelease: Ubuntu 9.10
Package: alsa-base 1.0.20+dfsg-1ubuntu5
PackageArchitecture: all
ProcEnviron:
 SHELL=/bin/bash
 LANG=en_US.UTF-8
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: alsa-driver
Tags: checkbox-bug
Uname: Linux 2.6.31-14-generic i686
XsessionErrors:
 (gnome-settings-daemon:1707): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:1707): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:1814): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:1835): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed