diff options
| author | Lukasz Majewski <l.majewski@samsung.com> | 2014-12-08 18:04:18 +0100 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-06-05 15:42:29 -0700 |
| commit | dc6e76d89a3168eec3c958323ac5a0dff64a753b (patch) | |
| tree | 261a98dfe7223116c828f661378e7986dfae3766 /drivers/thermal/of-thermal.c | |
| parent | d41ffd8d16d48207d5e27531f96f5d73768420a3 (diff) | |
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>
(cherry picked from commit a9bf2cc49d9030e374edb9cc0389512a1a1c357e)
Signed-off-by: Kevin Hilman <khilman@linaro.org>
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) { |