default or selected kernelversion does not have config value CONFIG_LEDS_FSG.
Result is shown for kernelversion 6.9.9
LED Support for the Freecom FSG-3
modulename: leds-fsg.ko
configname: CONFIG_LEDS_FSG
Linux Kernel Configuration
└─>Device Drivers
└─>LED Support
└─>LED Support for the Freecom FSG-3
In linux kernel since version 2.6.26 (release Date: 2008-07-13)
This option enables support for the LEDs on the Freecom FSG-3.