MSC_PULSELED
evdev_push_event(sc->sc_evdev, EV_MSC, MSC_PULSELED, battery);
evdev_support_msc(sc->sc_evdev, MSC_PULSELED);
{ .name = "MSC_PULSELED", .value = MSC_PULSELED },
[MSC_PULSELED] = "MSC_PULSELED",