default or selected kernelversion does not have config value CONFIG_VIDEO_SAA5249.
Result is shown for kernelversion 5.4.229

SAA5249 Teletext processor

modulename: saa5249.ko

configname: CONFIG_VIDEO_SAA5249

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Video capture adapters
└─>I2C support
└─>SAA5249 Teletext processor
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Support for I2C bus based teletext using the SAA5249 chip. At the
moment this is only useful on some European WinTV cards.

To compile this driver as a module, choose M here: the
module will be called saa5249.

source code: