ccid_class_voltage_t
ccid_command_power_on(ccid_t *ccid, ccid_slot_t *cs, ccid_class_voltage_t volt,
ccid_slot_power_on(ccid_t *ccid, ccid_slot_t *slot, ccid_class_voltage_t volts,
ccid_class_voltage_t volts[4] = { CCID_CLASS_VOLT_AUTO,
ccid_class_voltage_t voltage;
ccid_class_voltage_t cs_voltage;