"Digital Stereo(SPD/IF)" still have sound when switched profile to "Analog Stereo"

[Ｖ字龍(Vdragon)]

As the title.

This bug exist since at least 11.04 till now.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-control-center 1:3.4.1-0ubuntu1
Uname: Linux 3.3.6-generic-vdragon-mod i686
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
Date: Tue May 15 03:12:30 2012
ExecutablePath: /usr/bin/gnome-control-center
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
ProcEnviron:
 LANGUAGE=zh_TW:zh
 PATH=(custom, no user)
 LANG=zh_TW.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
XsessionErrors:
 (gnome-shell:1960): folks-WARNING **: Failed to find primary PersonaStore with type ID 'eds' and ID 'system'.
 (nautilus:1985): Nautilus-GDU-WARNING **: unable to query info: 指定的位置不被支援
 (nautilus:1985): Nautilus-GDU-WARNING **: unable to query info: 指定的位置不被支援
 (nautilus:1985): Nautilus-GDU-WARNING **: unable to query info: 指定的位置不被支援
 (rhythmbox:20062): GLib-GObject-CRITICAL **: g_value_get_uint: assertion `G_VALUE_HOLDS_UINT (value)' failed
usr_lib_gnome-control-center:
 activity-log-manager-control-center 0.9.4-0ubuntu3
 gnome-bluetooth 3.2.2-0ubuntu5
 indicator-datetime 0.3.94-0ubuntu2