default or selected kernelversion does not have config value CONFIG_DVB.
Result is shown for kernelversion 5.15.113

DVB For Linux

configname: CONFIG_DVB

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia devices
└─>Digital Video Broadcasting Devices
└─>DVB For Linux
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Support Digital Video Broadcasting hardware. Enable this if you
own a DVB adapter and want to use it or if you compile Linux for
a digital SetTopBox.

API specs and user tools are available from <http://www.linuxtv.org/>.

Please report problems regarding this driver to the LinuxDVB
mailing list.

If unsure say N.


is selected by
CONFIG_DVB_CORE