If this is not too late, or for future references.
bt878 works:
lspci
00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) A
C'97 Audio Controller (rev 02)
01:04.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (
rev 11)
01:04.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11
)
I can watch tv with mplayer no problem, sound needs a bit tweaking, let me know if you actually need the info.
Ted