default or selected kernelversion does not have config value CONFIG_VIDEO_SAA5246A.
Result is shown for kernelversion 5.4.229

SAA5246A, SAA5281 Teletext processor

modulename: saa5246a.ko

configname: CONFIG_VIDEO_SAA5246A

Linux Kernel Configuration
└─>Device Drivers
└─>Multimedia support
└─>Video capture adapters
└─>I2C support
└─>SAA5246A, SAA5281 Teletext processor
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Support for I2C bus based teletext using the SAA5246A or SAA5281
chip. Useful only if you live in Europe.

To compile this driver as a module, choose M here: the
module will be called saa5246a.

source code: