kernelversion:
stable - 5.11.2
mainline - 4.14.222
mainline - 4.19.177
mainline - 4.4.258
mainline - 5.10.19
mainline - 4.9.258
mainline - 5.4.101
mainline - 5.12-rc1
5.9.9
[click here for custom version]
architecture:
>
x86
arm
arm64
powerpc
mips
sparc
ia64
arc
riscv
nds32
m68k
microblaze
alpha
unicore32
parisc
blackfin
default or selected kernelversion does not have config value CONFIG_BACKLIGHT_GPIO.
Result is shown for kernelversion 5.9.9
depends
CONFIG_BACKLIGHT_CLASS_DEVICE
CONFIG_HAS_IOMEM
CONFIG_COMPILE_TEST or
CONFIG_GPIOLIB
Generic GPIO based Backlight Driver
modulename: gpio_backlight.ko
configname: CONFIG_BACKLIGHT_GPIO
Linux Kernel Configuration
└─> Device Drivers
└─> Graphics support
└─> Backlight & LCD device support
└─> GPIO Support
└─> Generic GPIO based Backlight Driver
If you have a LCD backlight adjustable by GPIO, say Y to enable
this driver.
source code:
drivers/video/backlight/gpio_backlight.c
this driver.