Introduction - If you have any usage issues, please Google them yourself
"Backlight control procedures."
According Tiny6410 kernel source provided by the manufacturer of touch screen driver (path: drivers/input/touchscreen/mini6410_1wire_host.c), backlit by the device </ dev/backlight-1wire> control, the device provides a write method, passing the user the brightness value (0 ~ 127) to set the backlight.
Program by the operating function <backlight_ctl.c>, header files <backlight_ctl.h>, test procedures <test.c> composition.