hi, I'm trying to get my Hauppauge WinTV-QuadHD-DVB to work on debian stretch, kernel 4.9.0.5
but it seems i'm missing dvb-demod-si2168-b40-01.fw and dvb-demod-si2168-02.fw. any suggestions?
you can find it in openelec's github repo
there is a script for getting dvb firmware, in kernel-source/tools/ you might try it too.