diff options
author | Lukasz Majewski <l.majewski@samsung.com> | 2014-12-08 18:04:20 +0100 |
---|---|---|
committer | Kevin Hilman <khilman@linaro.org> | 2015-06-05 15:42:30 -0700 |
commit | db264dfac75f33b68073d9d9e3d78666aa90d7a3 (patch) | |
tree | a1c3136b07c015ae4c0a2923e007e7f70539e867 /drivers/thermal | |
parent | d58d8a36e48174f0c430121a63378f638ae9c749 (diff) |
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>
(cherry picked from commit ce8be7785922de0ef497b20384425ed04f674f9d)
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Diffstat (limited to 'drivers/thermal')
-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__ */ |