acpi_ibm_sysctl_set
static int acpi_ibm_sysctl_set(struct acpi_ibm_softc *sc, int method, int val);
acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_THINKLIGHT, sc->led_state);
acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK,
acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 1);
acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTS, 0);
acpi_ibm_sysctl_set(sc, ACPI_IBM_METHOD_EVENTMASK, sc->events_initialmask);
acpi_ibm_sysctl_set(sc, i, val);
error = acpi_ibm_sysctl_set(sc, method, arg);