openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

thermal: of: Extend of-thermal.c to provide check if trip point is valid 

This patch extends the of-thermal.c to provide check if trip point is
valid.

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 18:04:18 +01:00 committed by Eduardo Valentin
parent 08dab66ec8
commit a9bf2cc49d
2 changed files with 27 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/thermal/of-thermal.c
View File

@ -133,6 +133,27 @@ int of_thermal_get_ntrips(struct thermal_zone_device *tz)
}
EXPORT_SYMBOL_GPL(of_thermal_get_ntrips);
/**
* of_thermal_is_trip_valid - function to check if trip point is valid
*
* @tz: pointer to a thermal zone
* @trip: trip point to evaluate
*
* This function is responsible for checking if passed trip point is valid
*
* Return: true if trip point is valid, false otherwise
*/
bool of_thermal_is_trip_valid(struct thermal_zone_device *tz, int trip)
{
struct __thermal_zone *data = tz->devdata;
if (!data || trip >= data->ntrips || trip < 0)
return false;
return true;
}
EXPORT_SYMBOL_GPL(of_thermal_is_trip_valid);
static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip,
enum thermal_trend *trend)
{

6
drivers/thermal/thermal_core.h
View File

@ -90,6 +90,7 @@ static inline void thermal_gov_user_space_unregister(void) {}
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);
#else
static inline int of_parse_thermal_zones(void) { return 0; }
static inline void of_thermal_destroy_zones(void) { }
@ -97,6 +98,11 @@ static inline int of_thermal_get_ntrips(struct thermal_zone_device *tz)
{
return 0;
}
static inline bool of_thermal_is_trip_valid(struct thermal_zone_device *tz,
int trip)
{
return 0;
}
#endif
#endif /* __THERMAL_CORE_H__ */