diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index b1492d8..182a2db 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -147,6 +147,9 @@ BOARD_USES_QCOM_HARDWARE := true
 BOARD_VENDOR := xiaomi
 TARGET_BOARD_PLATFORM := atoll
 
+# Power
+TARGET_POWERHAL_MODE_EXT := $(COMMON_PATH)/power/power-mode.cpp
+
 # Properties
 TARGET_ODM_PROP += $(COMMON_PATH)/odm.prop
 TARGET_PRODUCT_PROP += $(COMMON_PATH)/product.prop
diff --git a/power/power-mode.cpp b/power/power-mode.cpp
new file mode 100644
index 0000000..d9972c9
--- /dev/null
+++ b/power/power-mode.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+
+#include <aidl/android/hardware/power/BnPower.h>
+#include <android-base/file.h>
+#include <android-base/logging.h>
+#include <linux/input.h>
+
+namespace {
+int open_ts_input() {
+    int fd = -1;
+    DIR* dir = opendir("/dev/input");
+
+    if (dir != NULL) {
+        struct dirent* ent;
+
+        while ((ent = readdir(dir)) != NULL) {
+            if (ent->d_type == DT_CHR) {
+                char absolute_path[PATH_MAX] = {0};
+                char name[80] = {0};
+
+                strcpy(absolute_path, "/dev/input/");
+                strcat(absolute_path, ent->d_name);
+
+                fd = open(absolute_path, O_RDWR);
+                if (ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) > 0) {
+                    if (strcmp(name, "fts_ts") == 0 || strcmp(name, "NVTCapacitiveTouchScreen") == 0)
+                        break;
+                }
+
+                close(fd);
+                fd = -1;
+            }
+        }
+
+        closedir(dir);
+    }
+
+    return fd;
+}
+}  // anonymous namespace
+
+namespace aidl {
+namespace google {
+namespace hardware {
+namespace power {
+namespace impl {
+namespace pixel {
+
+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) {
+                LOG(WARNING)
+                    << "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 = enabled ? kInputEventWakeupModeOn : kInputEventWakeupModeOff;
+            write(fd, &ev, sizeof(ev));
+            close(fd);
+        }
+            return true;
+        default:
+            return false;
+    }
+}
+
+}  // namespace pixel
+}  // namespace impl
+}  // namespace power
+}  // namespace hardware
+}  // namespace google
+}  // namespace aidl