Comment 39 for bug 460636

One more thing - I've found these git log entries in Linus' kernel:

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commit 2e3c4723d5c2d6b4fa705c3dcd062b5004ab9b2f
Author: Devin Heitmueller <email address hidden>
Date: Wed Sep 30 23:10:17 2009 -0300

    V4L/DVB (13082): em28xx: remove "not validated" status from Terratec Cinergy T XS (005e)

    The board support has been validated by the user, so get rid of the warning
    that shows up on board load.

    Signed-off-by: Devin Heitmueller <email address hidden>
    Signed-off-by: Mauro Carvalho Chehab <email address hidden>

commit ec994d0505fc3dde5f46203602c76b527e2ac69d
Author: Uroš Vampl <email address hidden>
Date: Wed Sep 30 22:53:37 2009 -0300

    V4L/DVB (13078): em28xx: fix support for Terratec Cinergy T XS (005e)

    Make analog audio, dvb and the remote work on a Terratec Cinergy Hybrid
    XS (em2882).

    Note by djh: Thanks go out fo Andrej Suligoi for his contribution in providing
    and testing pretty much the exact same patch as provided by Uros. Between
    the two of them, they got all the core functionality working for the device.

    Cc: Andrej Suligoi <email address hidden>
    Signed-off-by: Uroš Vampl <email address hidden>
    Signed-off-by: Devin Heitmueller <email address hidden>
    Signed-off-by: Mauro Carvalho Chehab <email address hidden>

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Maybe you can backport the fixes into Ubuntu's 2.6.32 kernel...?