diff options
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/thermal_core.h | 3 | ||||
| -rw-r--r-- | drivers/thermal/thermal_helpers.c | 13 |
2 files changed, 15 insertions, 1 deletions
diff --git a/drivers/thermal/thermal_core.h b/drivers/thermal/thermal_core.h index a9bf00e91d64..37cd4e2bead2 100644 --- a/drivers/thermal/thermal_core.h +++ b/drivers/thermal/thermal_core.h @@ -69,6 +69,9 @@ void thermal_zone_device_unbind_exception(struct thermal_zone_device *, int thermal_zone_device_set_policy(struct thermal_zone_device *, char *); int thermal_build_list_of_policies(char *buf); +/* Helpers */ +void thermal_zone_set_trips(struct thermal_zone_device *tz); + /* sysfs I/F */ int thermal_zone_create_device_groups(struct thermal_zone_device *, int); void thermal_zone_destroy_device_groups(struct thermal_zone_device *); diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c index 2ba756af76b7..59eaf2d0fdb3 100644 --- a/drivers/thermal/thermal_helpers.c +++ b/drivers/thermal/thermal_helpers.c @@ -113,6 +113,18 @@ exit: } EXPORT_SYMBOL_GPL(thermal_zone_get_temp); +/** + * thermal_zone_set_trips - Computes the next trip points for the driver + * @tz: a pointer to a thermal zone device structure + * + * The function computes the next temperature boundaries by browsing + * the trip points. The result is the closer low and high trip points + * to the current temperature. These values are passed to the backend + * driver to let it set its own notification mechanism (usually an + * interrupt). + * + * It does not return a value + */ void thermal_zone_set_trips(struct thermal_zone_device *tz) { int low = -INT_MAX; @@ -161,7 +173,6 @@ void thermal_zone_set_trips(struct thermal_zone_device *tz) exit: mutex_unlock(&tz->lock); } -EXPORT_SYMBOL_GPL(thermal_zone_set_trips); void thermal_cdev_update(struct thermal_cooling_device *cdev) { |