default or selected kernelversion does not have config value CONFIG_BACKLIGHT_OT200.
Result is shown for kernelversion 6.9.9
Backlight driver for ot200 visualisation device
modulename: ot200_bl.ko
configname: CONFIG_BACKLIGHT_OT200
Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Backlight & LCD device support
└─>Backlight driver for ot200 visualisation device
In linux kernel since version 3.1 (release Date: 2011-10-24)
To compile this driver as a module, choose M here: the module will be
called ot200_bl.
called ot200_bl.