forked from luck/tmp_suning_uos_patched
thermal: of: Extend of-thermal to export table of trip points
This patch extends the of-thermal.c to export trip points for a given thermal zone. Thermal drivers should use of_thermal_get_trip_points() method to get pointer to table of thermal trip points. Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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drivers/thermal
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@ -139,6 +139,28 @@ bool of_thermal_is_trip_valid(struct thermal_zone_device *tz, int trip)
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}
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EXPORT_SYMBOL_GPL(of_thermal_is_trip_valid);
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/**
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* of_thermal_get_trip_points - function to get access to a globally exported
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* trip points
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*
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* @tz: pointer to a thermal zone
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*
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* This function provides a pointer to trip points table
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*
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* Return: pointer to trip points table, NULL otherwise
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*/
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const struct thermal_trip * const
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of_thermal_get_trip_points(struct thermal_zone_device *tz)
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{
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struct __thermal_zone *data = tz->devdata;
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if (!data)
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return NULL;
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return data->trips;
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}
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EXPORT_SYMBOL_GPL(of_thermal_get_trip_points);
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static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip,
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enum thermal_trend *trend)
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{
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@ -91,6 +91,8 @@ int of_parse_thermal_zones(void);
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void of_thermal_destroy_zones(void);
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int of_thermal_get_ntrips(struct thermal_zone_device *);
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bool of_thermal_is_trip_valid(struct thermal_zone_device *, int);
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const struct thermal_trip * const
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of_thermal_get_trip_points(struct thermal_zone_device *);
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#else
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static inline int of_parse_thermal_zones(void) { return 0; }
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static inline void of_thermal_destroy_zones(void) { }
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@ -103,6 +105,11 @@ static inline bool of_thermal_is_trip_valid(struct thermal_zone_device *tz,
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{
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return 0;
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}
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static inline const struct thermal_trip * const
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of_thermal_get_trip_points(struct thermal_zone_device *tz)
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{
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return NULL;
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}
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#endif
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#endif /* __THERMAL_CORE_H__ */
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