davinci: power: Adapt extension to new aidl power HAL

Change-Id: I58ac49957d8d28ad904912986d89ac8db4820ff9

BoardConfig.mk

@@ -153,7 +153,7 @@ TARGET_COPY_OUT_VENDOR := vendor
 TARGET_BOARD_PLATFORM := sm6150
 
 # Power
-TARGET_POWER_SET_FEATURE_LIB := libpower_feature.davinci
+TARGET_POWERHAL_MODE_EXT := $(DEVICE_PATH)/power/power-mode.cpp
 
 # Properties
 TARGET_ODM_PROP += $(DEVICE_PATH)/odm.prop

power/Android.mk

@@ -1,31 +0,0 @@
-#
-# Copyright (C) 2020 The LineageOS 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.
-#
-
-LOCAL_PATH:= $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_SRC_FILES := power-feature.c
-LOCAL_SHARED_LIBRARIES := liblog libcutils
-LOCAL_HEADER_LIBRARIES := \
-    generated_kernel_headers \
-    libhardware_headers
-
-LOCAL_MODULE := libpower_feature.davinci
-LOCAL_MODULE_TAGS := optional
-LOCAL_VENDOR_MODULE := true
-
-include $(BUILD_STATIC_LIBRARY)

power/power-feature.h

@@ -1,20 +0,0 @@
-/*
- * Copyright (C) 2020 The LineageOS 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.
- */
-
-#define LOG_TAG "libpower_feature.davinci"
-
-#define INPUT_EVENT_WAKUP_MODE_OFF 4
-#define INPUT_EVENT_WAKUP_MODE_ON 5

power/power-mode.cpp

@@ -14,17 +14,12 @@
  * limitations under the License.
  */
 
-#include <dirent.h>
+#include <aidl/android/hardware/power/BnPower.h>
-#include <fcntl.h>
+#include <android-base/file.h>
-#include <string.h>
+#include <android-base/logging.h>
-#include <unistd.h>
-
-#include "power-feature.h"
-
-#include <hardware/power.h>
 #include <linux/input.h>
-#include <log/log.h>
 
+namespace {
 int open_ts_input() {
     int fd = -1;
     DIR *dir = opendir("/dev/input");
@@ -56,21 +51,53 @@ int open_ts_input() {
 
     return fd;
 }
+}  // anonymous namespace
 
-void set_device_specific_feature(feature_t feature, int state) {
+namespace aidl {
-    switch (feature) {
+namespace android {
-        case POWER_FEATURE_DOUBLE_TAP_TO_WAKE: {
+namespace hardware {
+namespace power {
+namespace impl {
+
+static constexpr int kInputEventWakeupModeOff = 4;
+static constexpr int kInputEventWakeupModeOn = 5;
+
+using ::aidl::android::hardware::power::Mode;
+
+bool isDeviceSpecificModeSupported(Mode type, bool* _aidl_return) {
+    switch (type) {
+        case Mode::DOUBLE_TAP_TO_WAKE:
+            *_aidl_return = true;
+            return true;
+        default:
+            return false;
+    }
+}
+
+bool setDeviceSpecificMode(Mode type, bool enabled) {
+    switch (type) {
+        case Mode::DOUBLE_TAP_TO_WAKE: {
             int fd = open_ts_input();
             if (fd == -1) {
-                ALOGW("DT2W won't work because no supported touchscreen input devices were found");
+                LOG(WARNING)
-                return;
+                    << "DT2W won't work because no supported touchscreen input devices were found";
+                return false;
             }
             struct input_event ev;
             ev.type = EV_SYN;
             ev.code = SYN_CONFIG;
-            ev.value = state ? INPUT_EVENT_WAKUP_MODE_ON : INPUT_EVENT_WAKUP_MODE_OFF;
+            ev.value = enabled ? kInputEventWakeupModeOn : kInputEventWakeupModeOff;
             write(fd, &ev, sizeof(ev));
             close(fd);
+            return true;
         }
+        default:
+            return false;
     }
 }
+
+}  // namespace impl
+}  // namespace power
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl