I doubt it. It's one of the "stock" Empeg kernel ioctls(), just never did anything before.

To use it, open the display device ("/dev/display" ?), and use the ioctl like this:

int fd = open("/dev/display", O_RDRW);

if (fd != -1) {

	if (0 == ioctl(fd, 1, 0)) {	// enter standby mode

		ioctl(fd, 2, 0);	// turn off LED

		ioctl(fd, 2, 1);	// turn on LED

	}

	close(fd);

}

There are no "seatbelts" here.. so please ensure the display is in standby ("off") before fiddling with the LED.

-ml