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Commit 98a3f891 authored by Ashutosh Joshi's avatar Ashutosh Joshi Committed by Android (Google) Code Review
Browse files

Merge "Clamp reported power for each sensor to 1 microAmp." into oc-dev

parents 73feb067 fea2d26f

services/sensorservice/SensorDevice.cpp

+9 −0
Original line number Diff line number Diff line
@@ -56,6 +56,9 @@ SensorDevice::SensorDevice() : mHidlTransportErrors(20) { 
    if (!connectHidlService()) {

        return;

    }



    float minPowerMa = 0.001; // 1 microAmp



    checkReturn(mSensors->getSensorsList(

            [&](const auto &list) {

                const size_t count = list.size();
@@ -65,6 +68,12 @@ SensorDevice::SensorDevice() : mHidlTransportErrors(20) { 
                for (size_t i=0 ; i < count; i++) {

                    sensor_t sensor;

                    convertToSensor(list[i], &sensor);

                    // Sanity check and clamp power if it is 0 (or close)

                    if (sensor.power < minPowerMa) {

                        ALOGE("Reported power %f not deemed sane, clamping to %f",

                              sensor.power, minPowerMa);

                        sensor.power = minPowerMa;

                    }

                    mSensorList.push_back(sensor);



                    mActivationCount.add(list[i].sensorHandle, model);