kernelconfig_penguin
default or selected kernelversion does not have config value CONFIG_BACKLIGHT_OMAP1.
Result is shown for kernelversion 5.9.9

OMAP1 PWL-based LCD Backlight

modulename: omap1_bl.ko
configname: CONFIG_BACKLIGHT_OMAP1

Linux Kernel Configuration
└─> Device Drivers
└─> Graphics support
└─> Backlight & LCD device support
└─> OMAP1 PWL-based LCD Backlight

This driver controls the LCD backlight level and power for
the PWL module of OMAP1 processors. Say Y if your board
uses this hardware.


source code:


drivers/video/backlight/omap1_bl.c