HTPC Ubuntu 9.10 Karmic vlc, Nvidia HDMI sound, GMC AVC M1 Soundgraph iMON

Installing  vlc 1.1.0 in Ubuntu 9.10 Karmic:

apt-get install python-software-properties

add-apt-repository ppa:nvidia-vdpau/ppa
add-apt-repository ppa:nvidia-vdpau/cutting-edge-multimedia

Nvidia HDMI sound (Asus EN210)

ALSA Upgrade Script

rm $HOME/.asoundrc

/etc/asound.conf

pcm.!default hdmi:NVidia
pcm:iec958 hdmi:NVidia
pcm.!default {
      type plug
      slave.pcm {
              type hw
              card 0
              device 7
      }
}

Update 1:
xbmc guisettings.xml
    <audiooutput>
        <ac3passthrough>true</ac3passthrough>
        <audiodevice>custom</audiodevice>
        <customdevice>hw:0,7</customdevice>
        <custompassthrough>hw:0,7</custompassthrough>
        <downmixmultichannel>false</downmixmultichannel>
        <dtspassthrough>true</dtspassthrough>
        <mode>1</mode>
        <passthroughdevice>custom</passthroughdevice>
        <sep1></sep1>
        <sep2></sep2>
        <sep3></sep3>
    </audiooutput>

GMC AVC M1 Soundgraph iMON

dpkg-reconfigure lirc
Soundgraph iMON PAD IR/VFD

/etc/modprobe.d/lirc-imon.conf
options lirc_imon display_type=1