[mythtv-users] bt878, no sound from card

daryl faulds nannyseeker2003 at yahoo.com
Wed May 19 15:25:42 EDT 2004


--- John Baker <jbaker at dryfish.org.uk> wrote:
> Hello,
> 
> While moving from SuSE to gentoo, I appear to have
> forgotten how to make my TV 
> card work ;-) xawtv shows me a channel tuned in, but
> there is no sound output 
> from the back of the card. What is likely to cause
> this?
> 
> Here's some dmesg for those who are interested:
> 
> bttv: driver version 0.7.107 loaded
> bttv: using 4 buffers with 2080k (8320k total) for
> capture
> bttv: Host bridge is VIA Technologies, Inc. VT8377
> [KT400 AGP] Host Bridge
> bttv: Bt8xx card found (0).
> bttv0: Bt878 (rev 2) at 00:0c.0, irq: 16, latency:
> 32, mmio: 0xe2000000
> bttv0: detected: Hauppauge WinTV [card=10], PCI
> subsystem ID is 0070:13eb
> bttv0: using: BT878(Hauppauge (bt878))
> [card=10,autodetected]
> bttv0: Hauppauge/Voodoo msp34xx: reset line init [5]
> bttv0: Hauppauge eeprom: model=38105, tuner=Philips
> FI1246 MK2 (1), radio=no
> bttv0: using tuner=1
> bttv0: i2c: checking for MSP34xx @ 0x80... not found
> bttv0: i2c: checking for TDA9875 @ 0xb0... not found
> bttv0: i2c: checking for TDA7432 @ 0x8a... not found
> tvaudio: TV audio decoder + audio/video mux driver
> tvaudio: known chips: 
>
tda9840,tda9873h,tda9874h/a,tda9850,tda9855,tea6300,tea6420,tda8425,pic16c54
> 
> (PV951),ta8874z
> tuner: chip found @ 0xc2
> tuner: type set to 1 (Philips PAL_I (FI1246 and
> compatibles))
> bttv0: PLL: 28636363 => 35468950 .. ok
> bttv0: registered device video0
> bttv0: registered device vbi0
> devfs_register(unknown): could not append to parent,
> err: -17
> devfs_register(unknown): could not append to parent,
> err: -17
> devfs_register(unknown): could not append to parent,
> err: -17
> devfs_register(unknown): could not append to parent,
> err: -17
> devfs_register(unknown): could not append to parent,
> err: -17
> es1371: version v0.32 time 22:37:28 Mar 21 2004
> 8139cp: 10/100 PCI Ethernet driver v0.3.0 (Sep 29,
> 2002)
> btaudio: driver version 0.7 loaded [digital+analog]
> 
> And some modules:
> 
> mythtv root # lsmod
> Module                  Size  Used by    Not tainted
> snd-ens1371            12576   0  (unused)
> gameport                1388   0  [snd-ens1371]
> snd-rawmidi            12832   0  [snd-ens1371]
> snd-ac97-codec         43004   0  [snd-ens1371]
> tuner                   9512   1  (autoclean)
> tvaudio                13000   0  (autoclean)
> (unused)
> bttv                   94304   0
> i2c-algo-bit            7304   0  [bttv]
> i2c-core               14116   0  [tuner tvaudio
> bttv i2c-algo-bit]
> videodev                5920   2  [bttv]
> snd-bt87x               5220   0  (unused)
> 8139too                16040   1
> mii                     2272   0  [8139too]
> snd-pcm-oss            36580   0  (unused)
> snd-pcm                58052   0  [snd-ens1371
> snd-bt87x snd-pcm-oss]
> snd-page-alloc          5684   0  [snd-bt87x
> snd-pcm]
> snd-mixer-oss          11800   0  [snd-pcm-oss]
> snd-seq-oss            23552   0  (unused)
> snd-seq-midi-event      3456   0  [snd-seq-oss]
> snd-seq                36688   2  [snd-seq-oss
> snd-seq-midi-event]
> snd-timer              14244   0  [snd-pcm snd-seq]
> snd-seq-device          3616   0  [snd-rawmidi
> snd-seq-oss snd-seq]
> snd                    30660   0  [snd-ens1371
> snd-rawmidi snd-ac97-codec 
> snd-bt87x snd-pcm-oss snd-pcm snd-mixer-oss
> snd-seq-oss snd-seq-midi-event 
> snd-seq snd-timer snd-seq-device]
> soundcore               3652  12  [bttv snd]
> eth1394                12120   0  (unused)
> ieee1394              184100   0  [eth1394]
> input                   3328   0  (unused)
> uhci                   26108   0  (unused)
> ehci-hcd               17004   0  (unused)
> usbcore                59532   1  [uhci ehci-hcd]
> mythtv root #
> 
> Thanks!
> 
> 
> John
> 
> -- 
> John Baker
> (m) 07736393822 / (w) 07901855493
> > _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
>
http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> 

I'll try the obvious ones:

1) has the little cord that feeds audio from the tv
card to line-in been disconnected some how?

2) Is the mixer set so that line in is not mute and is
the capture point?

3) I don't see MSP3400 audio processor in you modules,
don't you need it with the BT878?



	
		
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