power_pm_suspend
(void)power_pm_suspend(POWER_TRANSITION_SUSPEND);
(void)power_pm_suspend(POWER_TRANSITION_SUSPEND);
(void)power_pm_suspend(POWER_TRANSITION_STANDBY);
(void)power_pm_suspend(POWER_TRANSITION_STANDBY);
(void)power_pm_suspend(POWER_TRANSITION_SUSPEND);
err = power_pm_suspend((enum power_transition)trans);
extern int power_pm_suspend(enum power_transition _trans);