default or selected kernelversion does not have config value CONFIG_LEDS_TOSA.
Result is shown for kernelversion 5.19-rc1
LED Support for the Sharp SL-6000 series
modulename: leds-tosa.ko
configname: CONFIG_LEDS_TOSA
Linux Kernel Configuration
└─>Device Drivers
└─>LED Support
└─>LED Support for the Sharp SL-6000 series
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
This option enables support for the LEDs on Sharp Zaurus
SL-6000 series.
SL-6000 series.