LCD Backlight driver for LM3532

modulename: leds-lm3532.ko

configname: CONFIG_LEDS_LM3532

Linux Kernel Configuration
└─>Device Drivers
└─>LED Support
└─>LCD Backlight driver for LM3532
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This option enables support for the LCD backlight using
LM3532 ambient light sensor chip. This ALS chip can be
controlled manually or using PWM input or using ambient
light automatically.

source code: