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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>
This commit is contained in:
Lukasz Majewski 2014-12-08 18:04:17 +01:00 committed by Eduardo Valentin
parent e920f9b632
commit 08dab66ec8
2 changed files with 26 additions and 0 deletions
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21
drivers/thermal/of-thermal.c
View File

@ -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)
{

5
drivers/thermal/thermal_core.h
View File

@ -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__ */