V4L and DVB documentation are at: linux/Docummentation directory. To compile both v4l and dvb, just do: make To install over kernel's old files: make install A more complete list of other possible usages for the building system can be found at: INSTALL if you want to contribute by offering your work to V4L/DVB, please read: README.patches Notice: v4l dir is used also as a temporary dir for building v4l/dvb modules.