thermal: Add documentation
Comment parameters for board_override_fan_control.
TEST=make buildall
BRANCH=none
@@ -19,7 +19,12 @@ extern struct ec_thermal_config thermal_params[];
/* Helper function to compute percent cooling */
int thermal_fan_percent(int low, int high, int cur);
-/* Allow board custom fan control */
+/* Allow board custom fan control. Called after reading temperature sensors.
+ *
+ * @param fan Fan ID to control (0 to CONFIG_FANS)
+ * @param tmp Array of temperatures (C) for each temperature sensor (size
+ * TEMP_SENSOR_COUNT)
+ */
void board_override_fan_control(int fan, int *tmp);
#endif /* __CROS_EC_THERMAL_H */
