Thermal: Add a notification API

[mirror_ubuntu-hirsute-kernel.git] / drivers / thermal / thermal_sys.c

diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index 64f3e9735316b35f1660a6fd33bcf52a9fed9796..a69f24c4414af31b976d131e14ead3448628e084 100644 (file)
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -1368,6 +1368,24 @@ void thermal_cdev_update(struct thermal_cooling_device *cdev)
 }
 EXPORT_SYMBOL(thermal_cdev_update);
 
+/**
+ * notify_thermal_framework - Sensor drivers use this API to notify framework
+ * @tz:                thermal zone device
+ * @trip:      indicates which trip point has been crossed
+ *
+ * This function handles the trip events from sensor drivers. It starts
+ * throttling the cooling devices according to the policy configured.
+ * For CRITICAL and HOT trip points, this notifies the respective drivers,
+ * and does actual throttling for other trip points i.e ACTIVE and PASSIVE.
+ * The throttling policy is based on the configured platform data; if no
+ * platform data is provided, this uses the step_wise throttling policy.
+ */
+void notify_thermal_framework(struct thermal_zone_device *tz, int trip)
+{
+       handle_thermal_trip(tz, trip);
+}
+EXPORT_SYMBOL(notify_thermal_framework);
+
 /**
  * create_trip_attrs - create attributes for trip points
  * @tz:                the thermal zone device