public void programThresholds(ThermalSensor s) {
if (s == null) return;
int zoneState = getZoneState();
if (zoneState == ThermalManager.THERMAL_STATE_OFF) return;
int lowerTripPoint = ThermalUtils.getLowerThresholdTemp(zoneState, getZoneTempThreshold());
int upperTripPoint = ThermalUtils.getUpperThresholdTemp(zoneState, getZoneTempThreshold());
if (lowerTripPoint != ThermalManager.INVALID_TEMP
&& upperTripPoint != ThermalManager.INVALID_TEMP) {
if (ThermalUtils.writeSysfs(s.getSensorLowTempPath(), lowerTripPoint) == -1) {
Log.i(
TAG,
"error while programming lower trip point:"
+ lowerTripPoint
+ "for sensor:"
+ s.getSensorName());
}
if (ThermalUtils.writeSysfs(s.getSensorHighTempPath(), upperTripPoint) == -1) {
Log.i(
TAG,
"error while programming upper trip point:"
+ upperTripPoint
+ "for sensor:"
+ s.getSensorName());
}
}
}
/** Method to update Zone Temperature and Zone Thermal State */
public boolean updateZoneParams() {
int newZoneState;
int prevZoneState = mCurrThermalState;
if (!updateZoneTemp()) {
return false;
}
newZoneState = ThermalUtils.calculateThermalState(mZoneTemp, mZoneTempThresholds);
if (newZoneState == prevZoneState) {
return false;
}
if (newZoneState == ThermalManager.THERMAL_STATE_OFF) {
setZoneState(newZoneState);
return true;
}
int threshold = ThermalUtils.getLowerThresholdTemp(prevZoneState, mZoneTempThresholds);
// For Interrupt based zones, HW (should) takes care of the debounce.
if (!isUEventSupported()) {
if (newZoneState < prevZoneState && getZoneTemp() > (threshold - getDBInterval())) {
Log.i(
TAG,
" THERMAL_LOW_EVENT for zone:" + getZoneName() + " rejected due to debounce interval");
return false;
}
}
setZoneState(newZoneState);
setEventType(
newZoneState > prevZoneState
? ThermalManager.THERMAL_HIGH_EVENT
: ThermalManager.THERMAL_LOW_EVENT);
return true;
}