sudo service vdr stop
cd ~/src/vdr/dvbsky-current
sudo make rmmod
sudo make rmmod
sudo rmmod cx2341x
sudo rmmod v4l2_common
sudo rmmod  videobuf2_core
sudo rmmod  videobuf2_v4l2
sudo rmmod  videobuf2_core
sudo make rmmod

sudo modprobe cx2341x cx23885 videobuf2_v4l2 cx25840 videobuf2_v4l2 videobuf2_core
sudo service vdr start