ACPICPU_C_STATE_HALT
if (cs->cs_method == ACPICPU_C_STATE_HALT) {
case ACPICPU_C_STATE_HALT:
if (val == ACPICPU_C_STATE_HALT)
sc->sc_cstate[ACPI_STATE_C1].cs_method = ACPICPU_C_STATE_HALT;
state.cs_method = ACPICPU_C_STATE_HALT;
cs[ACPI_STATE_C1].cs_method = ACPICPU_C_STATE_HALT;
case ACPICPU_C_STATE_HALT: