pm: Add a new function to query the next power state
Add a function that can be used by device drivers to know what will be next power state used by the SoC. Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
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2 changed files with 17 additions and 0 deletions
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@ -173,6 +173,16 @@ bool pm_constraint_get(enum pm_state state);
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*/
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void pm_power_state_set(struct pm_state_info info);
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/**
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* @brief Gets the next power state that will be used.
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*
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* This function returns the next power state that will be used by the
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* SoC.
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*
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* @return next pm_state_info that will be used
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*/
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const struct pm_state_info pm_power_state_next_get(void);
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/**
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* @brief Do any SoC or architecture specific post ops after sleep state exits.
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*
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@ -198,6 +208,8 @@ void pm_power_state_exit_post_ops(struct pm_state_info info);
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#define pm_power_state_set(info)
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#define pm_power_state_exit_post_ops(info)
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#define pm_power_state_next_get() \
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((struct pm_state_info){PM_STATE_ACTIVE, 0, 0})
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#endif /* CONFIG_PM */
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@ -323,3 +323,8 @@ int pm_notifier_unregister(struct pm_notifier *notifier)
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return ret;
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}
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const struct pm_state_info pm_power_state_next_get(void)
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{
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return z_power_state;
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}
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