CAM usage on TBS QBOX

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Hi ,

I try to configure a TV stream machine for my house based on PC + TBSQBOX with CI and legal CI & smartcard.
On windows systems, everything works but It's windows! and I try to use tvheadend and lubuntu OS.
How to configure Tvheadend to use inserted CAM/ Card ?
or did you have ideas how to configure OSCAM solution with this hardware based solution ?

Thanks in advance for you precious help
JP