default or selected kernelversion does not have config value CONFIG_BACKLIGHT_LM3630.
Result is shown for kernelversion 6.2.5

Backlight Driver for LM3630

modulename: lm3630_bl.ko

configname: CONFIG_BACKLIGHT_LM3630

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Backlight & LCD device support
└─>I2C support
└─>Backlight Driver for LM3630
In linux kernel since version 3.1 (release Date: 2011-10-24)  
This supports TI LM3630 Backlight Driver

source code: