Compro U80 Nearly there???

I'm running Ubuntu Karmic, and have a Compro U80 Device USB ID 185b:0150.

To get this close to working I have:

1) Added 50-udev.rules which seem to allow the device to be recognised.

2) Compiled the ~jhoogenraad/rtl2831-r2 version of the driver.

This gets me to the point where:
- /dev/dvb exists.
- my applications recognise the device

- In the log I see:

[   14.311735] dvb-usb: found a 'VideoMate U90' in warm state.
[   14.311743] dvb-usb: will pass the complete MPEG2 transport stream to
the software demuxer.
[   14.312131] DVB: registering new adapter (VideoMate U90)
[   14.312420] DVB: registering adapter 0 frontend 0 (Realtek RTL2831
DVB-T)...
[   14.312521] input: IR-receiver inside an USB DVB receiver
as /devices/pci0000:00/0000:00:02.1/usb1/1-1/input/input5
[   14.312552] dvb-usb: schedule remote query interval to 300 msecs.
[   14.312558] dvb-usb: VideoMate U90 successfully initialized and
connected.
[   14.312589] usbcore: registered new interface driver dvb_usb_rtd2831u

So looking good so far.

However, if i used scan, or an application like Kaffeine tuning fails. I know that the device works as I can get it to work on windows.

So I have been looking at the RTL2831U data sheets which I know from the windows driver that this is based on. (I don't know much about this hardware I am trying to figure it out ). So this chip is just doing the demodulating and the USB interface. It must therefore be paired with tuner. It seems logical to me (but is possibly wrong ) that if the demodulator is working and I cant tune, then the issue is with the tuner part of the driver. The windows drivers refer to both the MT2060 and the QT1010, but I don't know which one is being used. (I have not had the guts to rip the thing apart yet). Docu in the code of for the driver implies that it can support the MT2060 but not the QT1010 so I guess with my luck it is the quantec one.

Has any one got any advice as to where I should look next? Has anyone got this to work? It seems to be quite close. I any suggestions would be appreciated.
Thanks
Peter

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Hi,

It will be great full if somebody can help me use Infinity smart card reader to tune scrambled channel in mumudvb.

Regards,

Aslam

Hello

Basically once your soft CAM works, DVB programs as MuMuDVB doesn't need some more extra configuration

So your question is making your smart card reader working under linux in general...

Unfortunately I cannot tell you more than having a look to sasc-ng and dvbloopback documentation

Regards

Brice

Please see if there is more information on the tuner in the logging with debugging switched on:

sudo modprobe -r dvb-usb-rtl2831u
sudo modprobe dvb-usb-rtl2831u debug=1

The ~jhoogenraad/rtl2831-r2 has two tuners hard-coded in the driver (no separation of back-end and front-end), and logs the interactions with those tuners in debug mode.

I maintain the wiki with info on the driver:
http://www.linuxtv.org/wiki/index.php/Rtl2831_devices

Please also try the new driver (alas with no IR remote support) from ~anttip/rtl2831u

Jan Hoogenraad
Hoogenraad Interface Services
Postbus 2717
3500 GS Utrecht