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| author |   Lukasz Majewski <l.majewski@samsung.com> | 2014-12-08 18:04:20 +0100 |
|---|---|---|
| committer |   Eduardo Valentin <edubezval@gmail.com> | 2014-12-08 15:58:01 -0400 |
| commit | ce8be7785922de0ef497b20384425ed04f674f9d (patch) | |
| tree | 52ec11c8eb828786c5ff59509f580bbf23bd71d4 | |
| parent | thermal: of: Rename struct __thermal_trip to struct thermal_trip (diff) | |
| download | linux-dev-ce8be7785922de0ef497b20384425ed04f674f9d.tar.xz linux-dev-ce8be7785922de0ef497b20384425ed04f674f9d.zip | |
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>
| -rw-r--r-- | drivers/thermal/of-thermal.c | 22 | ||||
| -rw-r--r-- | drivers/thermal/thermal_core.h | 7 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index d3ac117e2ddd..e062bf59ab6c 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -139,6 +139,28 @@ bool of_thermal_is_trip_valid(struct thermal_zone_device *tz, int trip) } EXPORT_SYMBOL_GPL(of_thermal_is_trip_valid); +/** + * of_thermal_get_trip_points - function to get access to a globally exported + * trip points + * + * @tz: pointer to a thermal zone + * + * This function provides a pointer to trip points table + * + * Return: pointer to trip points table, NULL otherwise + */ +const struct thermal_trip * const +of_thermal_get_trip_points(struct thermal_zone_device *tz) +{ + struct __thermal_zone *data = tz->devdata; + + if (!data) + return NULL; + + return data->trips; +} +EXPORT_SYMBOL_GPL(of_thermal_get_trip_points); + static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip, enum thermal_trend *trend) { diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index 58a0dfa44705..9083e7520623 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -91,6 +91,8 @@ int of_parse_thermal_zones(void); void of_thermal_destroy_zones(void); int of_thermal_get_ntrips(struct thermal_zone_device *); bool of_thermal_is_trip_valid(struct thermal_zone_device *, int); +const struct thermal_trip * const +of_thermal_get_trip_points(struct thermal_zone_device *); #else static inline int of_parse_thermal_zones(void) { return 0; } static inline void of_thermal_destroy_zones(void) { } @@ -103,6 +105,11 @@ static inline bool of_thermal_is_trip_valid(struct thermal_zone_device *tz, { return 0; } +static inline const struct thermal_trip * const +of_thermal_get_trip_points(struct thermal_zone_device *tz) +{ + return NULL; +} #endif #endif /* __THERMAL_CORE_H__ */ |