A variable controlling whether the Steam button LED should be turned on when a Steam controller is opened.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_JOYSTICK_HIDAPI_STEAM_HOME_LED "SDL_JOYSTICK_HIDAPI_STEAM_HOME_LED"
The variable can be set to the following values:
By default the Steam button LED state is not changed. This hint can also be set to a floating point value between 0.0 and 1.0 which controls the brightness of the Steam button LED.
This hint can be set anytime.
This hint is available since SDL 3.1.8.