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Added NAN temperature value handling to HardwarePropertiesManager.

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Consider NAN temperature value as undefined temperature.

Bug: 34107726
Test: cts

Change-Id: I933fe3a1c1eb88960cee2eb32cbc56a88d9da9e4
This commit is contained in:
Polina Bondarenko
2017-01-16 19:10:56 +01:00
parent abb47f3606
commit 8d5bb11126
1 changed files with 17 additions and 4 deletions
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21
services/core/jni/com_android_server_HardwarePropertiesManagerService.cpp
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@@ -19,6 +19,7 @@
#include "JNIHelp.h"
#include "jni.h"
#include <math.h>
#include <stdlib.h>
#include <android/hardware/thermal/1.0/IThermal.h>
@@ -56,10 +57,16 @@ static struct {
jmethodID initMethod;
} gCpuUsageInfoClassInfo;
jfloat gUndefinedTemperature;
static sp<IThermal> gThermalModule;
// ----------------------------------------------------------------------------
float finalizeTemperature(float temperature) {
return isnan(temperature) ? gUndefinedTemperature : temperature;
}
static void nativeInit(JNIEnv* env, jobject obj) {
// TODO(b/31632518)
if (gThermalModule == nullptr) {
@@ -128,16 +135,16 @@ static jfloatArray nativeGetDeviceTemperatures(JNIEnv *env, jclass /* clazz */,
if (static_cast<int>(list[i].type) == type) {
switch (source) {
case TEMPERATURE_CURRENT:
values[length++] = list[i].currentValue;
values[length++] = finalizeTemperature(list[i].currentValue);
break;
case TEMPERATURE_THROTTLING:
values[length++] = list[i].throttlingThreshold;
values[length++] = finalizeTemperature(list[i].throttlingThreshold);
break;
case TEMPERATURE_SHUTDOWN:
values[length++] = list[i].shutdownThreshold;
values[length++] = finalizeTemperature(list[i].shutdownThreshold);
break;
case TEMPERATURE_THROTTLING_BELOW_VR_MIN:
values[length++] = list[i].vrThrottlingThreshold;
values[length++] = finalizeTemperature(list[i].vrThrottlingThreshold);
break;
}
}
@@ -204,6 +211,12 @@ int register_android_server_HardwarePropertiesManagerService(JNIEnv* env) {
gCpuUsageInfoClassInfo.clazz = MakeGlobalRefOrDie(env, clazz);
gCpuUsageInfoClassInfo.initMethod = GetMethodIDOrDie(env, gCpuUsageInfoClassInfo.clazz,
"<init>", "(JJ)V");
clazz = env->FindClass("android/os/HardwarePropertiesManager");
jfieldID undefined_temperature_field = GetStaticFieldIDOrDie(env, clazz,
"UNDEFINED_TEMPERATURE", "F");
gUndefinedTemperature = env->GetStaticFloatField(clazz, undefined_temperature_field);
return res;
}