Add lazy service target to the light HAL
This change allows a device to include the lazy service implementation,
which will allow the HAL to exit when it is not in use.
Test: Manually observe brightness slider behavior
Change-Id: I7f8f747ebe6e183e1aaf1406852e6e26a97aee35
diff --git a/light/2.0/default/Android.bp b/light/2.0/default/Android.bp
index 8b5f780..72cc873 100644
--- a/light/2.0/default/Android.bp
+++ b/light/2.0/default/Android.bp
@@ -31,13 +31,11 @@
}
-cc_binary {
- name: "android.hardware.light@2.0-service",
+cc_defaults {
+ name: "light_service_defaults",
relative_install_path: "hw",
defaults: ["hidl_defaults"],
vendor: true,
- init_rc: ["android.hardware.light@2.0-service.rc"],
- srcs: ["service.cpp"],
shared_libs: [
"liblog",
@@ -49,5 +47,19 @@
"libhidltransport",
"android.hardware.light@2.0",
],
+}
-}
\ No newline at end of file
+cc_binary {
+ name: "android.hardware.light@2.0-service",
+ defaults: ["light_service_defaults"],
+ init_rc: ["android.hardware.light@2.0-service.rc"],
+ srcs: ["service.cpp"],
+}
+
+cc_binary {
+ name: "android.hardware.light@2.0-service-lazy",
+ overrides: ["android.hardware.light@2.0-service"],
+ defaults: ["light_service_defaults"],
+ init_rc: ["android.hardware.light@2.0-service-lazy.rc"],
+ srcs: ["serviceLazy.cpp"],
+}
diff --git a/light/2.0/default/android.hardware.light@2.0-service-lazy.rc b/light/2.0/default/android.hardware.light@2.0-service-lazy.rc
new file mode 100644
index 0000000..8a3a59c
--- /dev/null
+++ b/light/2.0/default/android.hardware.light@2.0-service-lazy.rc
@@ -0,0 +1,9 @@
+service vendor.light-hal-2-0 /vendor/bin/hw/android.hardware.light@2.0-service-lazy
+ interface android.hardware.light@2.0::ILight default
+ oneshot
+ disabled
+ class hal
+ user system
+ group system
+ # shutting off lights while powering-off
+ shutdown critical
diff --git a/light/2.0/default/service.cpp b/light/2.0/default/service.cpp
index 70ae565..20f0578 100644
--- a/light/2.0/default/service.cpp
+++ b/light/2.0/default/service.cpp
@@ -14,8 +14,6 @@
* limitations under the License.
*/
-#define LOG_TAG "android.hardware.light@2.0-service"
-
#include <android/hardware/light/2.0/ILight.h>
#include <hidl/LegacySupport.h>
diff --git a/light/2.0/default/serviceLazy.cpp b/light/2.0/default/serviceLazy.cpp
new file mode 100644
index 0000000..5324f46
--- /dev/null
+++ b/light/2.0/default/serviceLazy.cpp
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2019 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android/hardware/light/2.0/ILight.h>
+#include <hidl/LegacySupport.h>
+
+using android::hardware::defaultLazyPassthroughServiceImplementation;
+using android::hardware::light::V2_0::ILight;
+
+int main() {
+ return defaultLazyPassthroughServiceImplementation<ILight>();
+}