LED support for SPI LED controller with a single byte

modulename: leds-spi-byte.ko

configname: CONFIG_LEDS_SPI_BYTE

Linux Kernel Configuration
└─>Device Drivers
└─>LED Support
└─>SPI support
└─>Device Tree and Open Firmware support
└─>LED support for SPI LED controller with a single byte
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This option enables support for LED controller which use a single byte
for controlling the brightness. Currently the following controller is
supported: Ubiquiti airCube ISP microcontroller based LED controller.

source code: