/* NOTICE: this function MUST be called under autosleep_lock (in autosleep.c) is locked!! */ int mtk_hibernate_via_autosleep(suspend_state_t *autosleep_state) { int err = 0; hib_log("entering hibernation state(%d)\n", *autosleep_state); err = hibernate(); if (err) { hib_warn ("@@@@@@@@@@@@@@@@@@@@@@@@@\n@@_Hibernation Failed_@@@\n@@@@@@@@@@@@@@@@@@@@@@@@@\n"); /* enhanced error handling */ #ifdef CONFIG_TOI_ENHANCE if (toi_hibernate_fatalerror()) { kernel_power_off(); kernel_halt(); BUG(); } #endif if (hibernation_failed_action == HIB_FAILED_TO_SHUTDOWN) { kernel_power_off(); kernel_halt(); BUG(); } else if (hibernation_failed_action == HIB_FAILED_TO_S2RAM) { hib_warn("hibernation failed: so changing state(%d->%d) err(%d)\n", *autosleep_state, PM_SUSPEND_MEM, err); if (++hib_failed_cnt >= MAX_HIB_FAILED_CNT) hibernation_failed_action = HIB_FAILED_TO_SHUTDOWN; hibernate_recover(); *autosleep_state = PM_SUSPEND_MEM; pm_wake_lock("IPOD_HIB_WAKELOCK"); system_is_hibernating = false; } else { hib_err("@@@@@@@@@@@@@@@@@@\n@_FATAL ERROR !!!_\n@@@@@@@@@@@@@@@@@@@\n"); BUG(); } } else { if (hybrid_sleep_mode()) { hib_warn("hybrid sleep mode so changing state(%d->%d)\n", *autosleep_state, PM_SUSPEND_MEM); *autosleep_state = PM_SUSPEND_MEM; /* continue suspend to ram if hybrid sleep mode */ } else { hib_warn("hibernation succeeded: so changing state(%d->%d) err(%d)\n", *autosleep_state, PM_SUSPEND_ON, err); hibernate_restore(); *autosleep_state = PM_SUSPEND_ON; /* if this is not set, it will recursively do hibernating!! */ } hib_failed_cnt = 0; pm_wake_lock("IPOD_HIB_WAKELOCK"); system_is_hibernating = false; } return err; }
/* called by echo "disk" > /sys/power/state */ int mtk_hibernate(void) { int err = 0; hib_log("entering hibernation\n"); err = hibernate(); if (err) { hib_warn ("@@@@@@@@@@@@@@@@@@@@@@@@@\n@@_Hibernation Failed_@@@\n@@@@@@@@@@@@@@@@@@@@@@@@@\n"); /* enhanced error handling */ #ifdef CONFIG_TOI_ENHANCE if (toi_hibernate_fatalerror()) { kernel_power_off(); kernel_halt(); BUG(); } #endif if (hibernation_failed_action == HIB_FAILED_TO_SHUTDOWN) { kernel_power_off(); kernel_halt(); BUG(); } else if (hibernation_failed_action == HIB_FAILED_TO_S2RAM) { hib_warn("hibernation failed, suspend to ram instead!\n"); if (++hib_failed_cnt >= MAX_HIB_FAILED_CNT) hibernation_failed_action = HIB_FAILED_TO_SHUTDOWN; hibernate_recover(); pm_wake_lock("IPOD_HIB_WAKELOCK"); system_is_hibernating = false; } else { hib_err("@@@@@@@@@@@@@@@@@@\n@_FATAL ERROR !!!_\n@@@@@@@@@@@@@@@@@@@\n"); BUG(); } } else { if (!hybrid_sleep_mode()) { hibernate_restore(); } hib_failed_cnt = 0; pm_wake_lock("IPOD_HIB_WAKELOCK"); system_is_hibernating = false; } return err; }
// NOTICE: this function MUST be called under autosleep_lock (in autosleep.c) is locked!! int mtk_hibernate_via_autosleep(suspend_state_t *autosleep_state) { int err = 0; hib_log("entering hibernation state(%d)\n", *autosleep_state); err = hibernate(); if (err) { hib_warn("@@@@@@@@@@@@@@@@@@@@@@@@@\n@@_Hibernation Failed_@@@\n@@@@@@@@@@@@@@@@@@@@@@@@@\n"); if (hibernation_failed_action == HIB_FAILED_TO_SHUTDOWN) { kernel_power_off(); kernel_halt(); BUG(); } else if (hibernation_failed_action == HIB_FAILED_TO_S2RAM) { hib_warn("hibernation failed: so changing state(%d->%d) err(%d)\n", *autosleep_state, PM_SUSPEND_MEM, err); if (++hib_failed_cnt >= MAX_HIB_FAILED_CNT) hibernation_failed_action = HIB_FAILED_TO_SHUTDOWN; // userspace recover if hibernation failed usr_recover_func(NULL); *autosleep_state = PM_SUSPEND_MEM; system_is_hibernating = false; } else { hib_err("@@@@@@@@@@@@@@@@@@\n@_FATAL ERROR !!!_\n@@@@@@@@@@@@@@@@@@@\n"); BUG(); } } else { if (hybrid_sleep_mode()) { hib_warn("hybrid sleep mode so changing state(%d->%d)\n", *autosleep_state, PM_SUSPEND_MEM); *autosleep_state = PM_SUSPEND_MEM; //continue suspend to ram if hybrid sleep mode } else { hib_warn("hibernation succeeded: so changing state(%d->%d) err(%d) \n", *autosleep_state, PM_SUSPEND_ON, err); hib_warn("start trigger ipod\n"); //usr_bootanim_start(NULL); //schedule_delayed_work(&usr_restore_work, HZ*0.05); usr_restore_func(NULL); *autosleep_state = PM_SUSPEND_ON; // if this is not set, it will recursively do hibernating!! } hib_failed_cnt = 0; pm_wake_lock("IPOD_HIB_WAKELOCK"); system_is_hibernating = false; } return err; }
// called by echo "disk" > /sys/power/state int mtk_hibernate(void) { int err = 0; hib_log("entering hibernation\n"); err = hibernate(); if (err) { hib_warn("@@@@@@@@@@@@@@@@@@@@@@@@@\n@@_Hibernation Failed_@@@\n@@@@@@@@@@@@@@@@@@@@@@@@@\n"); if (hibernation_failed_action == HIB_FAILED_TO_SHUTDOWN) { kernel_power_off(); kernel_halt(); BUG(); } else if (hibernation_failed_action == HIB_FAILED_TO_S2RAM) { hib_warn("hibernation failed, suspend to ram instead!\n"); if (++hib_failed_cnt >= MAX_HIB_FAILED_CNT) hibernation_failed_action = HIB_FAILED_TO_SHUTDOWN; // userspace recover if hibernation failed usr_recover_func(NULL); system_is_hibernating = false; } else { hib_err("@@@@@@@@@@@@@@@@@@\n@_FATAL ERROR !!!_\n@@@@@@@@@@@@@@@@@@@\n"); BUG(); } } else { if (!hybrid_sleep_mode()) { hib_warn("start trigger ipod\n"); //schedule_delayed_work(&usr_bootanim_start_work, HZ*1.0); //schedule_delayed_work(&usr_restore_work, HZ*0.05); //usr_bootanim_start(NULL); usr_restore_func(NULL); } hib_failed_cnt = 0; pm_wake_lock("IPOD_HIB_WAKELOCK"); system_is_hibernating = false; } return err; }