blank_screen: shut off all lights

This is used to make the phone appear off by init
during late boot (e.x. fsck for disk health), so
it should shut off all lights (not just the screen).

Bug: 74976325
Test: blank_screen
Change-Id: I790cc3dd856c2c2095fa3cf82519fd30834304ca
Merged-In: I790cc3dd856c2c2095fa3cf82519fd30834304ca
This commit is contained in:
Steven Moreland
2018-03-16 10:27:18 -07:00
parent b25202527e
commit b944d69508

View File

@@ -26,6 +26,7 @@ void error(const std::string& msg) {
}
int main() {
using ::android::hardware::hidl_vec;
using ::android::hardware::light::V2_0::Brightness;
using ::android::hardware::light::V2_0::Flash;
using ::android::hardware::light::V2_0::ILight;
@@ -44,9 +45,15 @@ int main() {
.color = 0u, .flashMode = Flash::NONE, .brightnessMode = Brightness::USER,
};
Status ret = service->setLight(Type::BACKLIGHT, off).withDefault(Status::UNKNOWN);
if (ret != Status::SUCCESS) {
error("Failed to shut off screen");
}
service->getSupportedTypes([&](const hidl_vec<Type>& types) {
for (Type type : types) {
Status ret = service->setLight(type, off);
if (ret != Status::SUCCESS) {
error("Failed to shut off screen for type " +
std::to_string(static_cast<int>(type)));
}
}
});
return 0;
}