diff options
| author | Lukasz Majewski <l.majewski@samsung.com> | 2014-12-08 18:04:17 +0100 |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2014-12-08 20:38:32 +0100 |
| commit | 08dab66ec8431a1f744596cfc9f5fb659b623835 (patch) | |
| tree | 325ba73d13f1e4b6bd7e2a598e0d2e5945c4eec5 /drivers | |
| parent | thermal: armada: Remove support for A375-Z1 SoC (diff) | |
| download | linux-08dab66ec8431a1f744596cfc9f5fb659b623835.tar.xz linux-08dab66ec8431a1f744596cfc9f5fb659b623835.zip | |
thermal: of: Extend of-thermal.c to provide number of trip points
This patch extends the of-thermal.c to provide information about number of
available trip points.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/thermal/of-thermal.c | 21 | ||||
| -rw-r--r-- | drivers/thermal/thermal_core.h | 5 |
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index b7982f0a6eaf..7facd23b1d9b 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -112,6 +112,27 @@ static int of_thermal_get_temp(struct thermal_zone_device *tz, return data->ops->get_temp(data->sensor_data, temp); } +/** + * of_thermal_get_ntrips - function to export number of available trip + * points. + * @tz: pointer to a thermal zone + * + * This function is a globally visible wrapper to get number of trip points + * stored in the local struct __thermal_zone + * + * Return: number of available trip points, -ENODEV when data not available + */ +int of_thermal_get_ntrips(struct thermal_zone_device *tz) +{ + struct __thermal_zone *data = tz->devdata; + + if (!data || IS_ERR(data)) + return -ENODEV; + + return data->ntrips; +} +EXPORT_SYMBOL_GPL(of_thermal_get_ntrips); + 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 d15d243de27a..1cc5041b7a26 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -89,9 +89,14 @@ static inline void thermal_gov_user_space_unregister(void) {} #ifdef CONFIG_THERMAL_OF int of_parse_thermal_zones(void); void of_thermal_destroy_zones(void); +int of_thermal_get_ntrips(struct thermal_zone_device *); #else static inline int of_parse_thermal_zones(void) { return 0; } static inline void of_thermal_destroy_zones(void) { } +static inline int of_thermal_get_ntrips(struct thermal_zone_device *tz) +{ + return 0; +} #endif #endif /* __THERMAL_CORE_H__ */ |