diff options
Diffstat (limited to 'drivers/thermal/of-thermal.c')
| -rw-r--r-- | drivers/thermal/of-thermal.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c index 7facd23b1d9b..87b9cfe28eb8 100644 --- a/drivers/thermal/of-thermal.c +++ b/drivers/thermal/of-thermal.c @@ -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) { |