diff options
Diffstat (limited to 'drivers/thermal/thermal_core.c')
| -rw-r--r-- | drivers/thermal/thermal_core.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index 9c653c6..f36cd44 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -1580,7 +1580,7 @@ static void remove_trip_attrs(struct thermal_zone_device *tz) } /** - * thermal_zone_device_register - register a new thermal zone device + * thermal_zone_device_register() - register a new thermal zone device * @type: the thermal zone device type * @trips: the number of trip points the thermal zone support * @mask: a bit string indicating the writeablility of trip points @@ -1593,8 +1593,15 @@ static void remove_trip_attrs(struct thermal_zone_device *tz) * whether trip points have been crossed (0 for interrupt * driven systems) * + * This interface function adds a new thermal zone device (sensor) to + * /sys/class/thermal folder as thermal_zone[0-*]. It tries to bind all the + * thermal cooling devices registered at the same time. * thermal_zone_device_unregister() must be called when the device is no * longer needed. The passive cooling depends on the .get_trend() return value. + * + * Return: a pointer to the created struct thermal_zone_device or an + * in case of error, an ERR_PTR. Caller must check return value with + * IS_ERR*() helpers. */ struct thermal_zone_device *thermal_zone_device_register(const char *type, int trips, int mask, void *devdata, |