diff options
Diffstat (limited to 'drivers/thermal/thermal_helpers.c')
| -rw-r--r-- | drivers/thermal/thermal_helpers.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/thermal/thermal_helpers.c b/drivers/thermal/thermal_helpers.c index 2ba756af76b7..87b1256fa2f2 100644 --- a/drivers/thermal/thermal_helpers.c +++ b/drivers/thermal/thermal_helpers.c @@ -12,11 +12,12 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt -#include <linux/sysfs.h> #include <linux/device.h> #include <linux/err.h> +#include <linux/export.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/sysfs.h> #include <trace/events/thermal.h> @@ -113,6 +114,18 @@ 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 +174,6 @@ 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) { |