VC_SCROLLOCK
on_off = vt_get_leds(fg_console, VC_SCROLLOCK);
on_off = vt_get_leds(fg_console, VC_SCROLLOCK);
KBD_LED_TRIGGER(VC_SCROLLOCK, "kbd-scrolllock"),
clr_vc_kbd_led(kb, VC_SCROLLOCK);
set_vc_kbd_led(kb, VC_SCROLLOCK);