[linux-dvb] DVICO DVB-T Lite - no frontend driver found

Rodd Snook linuxdvb at snookums.port5.com
Fri Mar 4 11:15:34 CET 2005


I posted a couple of weeks ago about a DVICO DVB-T Lite which Windows 
detected as having a Philips ATSC tuner. It turns out this card was 
faulty and I've had it replaced. However, I'm still getting no joy from 
this card.

Using a 2.6.11-rc4 kernel (with just a couple of USB patches from Chris 
Pascoe to get the remote to work), modprobe dvb-bt8xx gives good-looking 
dmesg output (reproduced below) but terminating with:

dvb-bt8xx: A frontend driver was not found for device 109e/0878 
subsystem 18ac/db10


Using a 2.6.11-rc5 kernel with Gerd's latest "All-" patch from 
bytsex.org gives an additional line right before the "frontend not 
found" message

   mt352_read_register: readreg error (reg=127, ret==-121)

This seems to be the source of the problem. Is there anything I can do 
to track down the source of this? I have no idea what the -121 return 
code means. IIRC there are some problems with the cx88xx based DVICO 
cards having their frontends appear at random i2c addresses if not reset 
properly. Could that be going on here? Is there a way to scan the i2c 
bus and find out what's going on?

Any input is appreciated -- the wife really wants this to work ;)

Cheers,
Rodd



2.6.11-rc4 dmesg output
=======================
bttv: driver version 0.9.15 loaded
bttv: using 8 buffers with 2080k (520 pages) each for capture
bttv: Host bridge needs ETBF enabled.
bttv: Bt8xx card found (0).
PCI: Found IRQ 10 for device 0000:00:0b.0
PCI: Sharing IRQ 10 with 0000:00:07.2
PCI: Sharing IRQ 10 with 0000:00:0b.1
bttv0: Bt878 (rev 17) at 0000:00:0b.0, irq: 10, latency: 32, mmio: 
0xdc000000
bttv0: detected: DVICO FusionHDTV DVB-T Lite [card=128], PCI subsystem 
ID is 18ac:db10
bttv0: using: DVICO FusionHDTV DVB-T Lite [card=128,autodetected]
bttv0: enabling ETBF (430FX/VP3 compatibilty)
bttv0: gpio: en=00000000, out=00000000 in=00ffffff [init]
bttv0: using tuner=-1
bttv0: add subdevice "dvb0"
bt878: AUDIO driver version 0.0.0 loaded
bt878: Bt878 AUDIO function found (0).
PCI: Found IRQ 10 for device 0000:00:0b.1
PCI: Sharing IRQ 10 with 0000:00:07.2
PCI: Sharing IRQ 10 with 0000:00:0b.0
bt878(0): Bt878 (rev 17) at 00:0b.1, irq: 10, latency: 32, memory: 
0xdc001000
DVB: registering new adapter (bttv0).
dvb-bt8xx: A frontend driver was not found for device 109e/0878 
subsystem 18ac/db10




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