Patches as of 2018-03-06 release
diff --git a/patches/platform_frameworks_base/0002-Reintroduce-button-backlight-and-respective-inactivi.patch b/patches/platform_frameworks_base/0002-Reintroduce-button-backlight-and-respective-inactivi.patch
new file mode 100644
index 0000000..e4afc1d
--- /dev/null
+++ b/patches/platform_frameworks_base/0002-Reintroduce-button-backlight-and-respective-inactivi.patch
@@ -0,0 +1,108 @@
+From d1cd1dbf69b4cb6c0046255c8015c58b10a90165 Mon Sep 17 00:00:00 2001
+From: Ricardo Cerqueira <cyanogenmod@cerqueira.org>
+Date: Fri, 23 Nov 2012 14:23:16 +0000
+Subject: [PATCH 2/3] Reintroduce button-backlight (and respective inactivity
+ timeout)
+
+The power manager rewrite from Change I1d7a52e98f0449f76d70bf421f6a7f245957d1d7
+completely removed support for control of the button backlights, which makes
+all capacitive buttons out there stay dark. The commit message in that change
+mentions it hasn't been implemented _yet_, so this fix should be temporary
+until upstream does their own implementation
+
+[RC: Updated to 5.0]
+
+Change-Id: I6094c446e0b8c23f57d30652a3cbd35dee5e821a
+---
+ .../com/android/server/display/DisplayPowerController.java | 11 +++++++++++
+ .../java/com/android/server/power/PowerManagerService.java | 10 ++++++++++
+ 2 files changed, 21 insertions(+)
+
+diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java
+index f8e58362e7a..80bdf1ffade 100644
+--- a/services/core/java/com/android/server/display/DisplayPowerController.java
++++ b/services/core/java/com/android/server/display/DisplayPowerController.java
+@@ -20,6 +20,7 @@ import android.app.ActivityManager;
+ import com.android.internal.app.IBatteryStats;
+ import com.android.server.LocalServices;
+ import com.android.server.am.BatteryStatsService;
++import com.android.server.lights.LightsManager;
+
+ import android.animation.Animator;
+ import android.animation.ObjectAnimator;
+@@ -129,6 +130,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
+ // Battery stats.
+ private final IBatteryStats mBatteryStats;
+
++ // The lights service.
++ private final LightsManager mLights;
++
+ // The sensor manager.
+ private final SensorManager mSensorManager;
+
+@@ -300,6 +304,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
+ mCallbacks = callbacks;
+
+ mBatteryStats = BatteryStatsService.getService();
++ mLights = LocalServices.getService(LightsManager.class);
+ mSensorManager = sensorManager;
+ mWindowManagerPolicy = LocalServices.getService(WindowManagerPolicy.class);
+ mBlanker = blanker;
+@@ -678,6 +683,12 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
+ // Use zero brightness when screen is off.
+ if (state == Display.STATE_OFF) {
+ brightness = PowerManager.BRIGHTNESS_OFF;
++ mLights.getLight(LightsManager.LIGHT_ID_BUTTONS).setBrightness(brightness);
++ }
++
++ // Disable button lights when dozing
++ if (state == Display.STATE_DOZE || state == Display.STATE_DOZE_SUSPEND) {
++ mLights.getLight(LightsManager.LIGHT_ID_BUTTONS).setBrightness(PowerManager.BRIGHTNESS_OFF);
+ }
+
+ // Configure auto-brightness.
+diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java
+index f84b20c0570..1ced53fe840 100644
+--- a/services/core/java/com/android/server/power/PowerManagerService.java
++++ b/services/core/java/com/android/server/power/PowerManagerService.java
+@@ -220,6 +220,8 @@ public final class PowerManagerService extends SystemService
+ private static final int HALT_MODE_REBOOT = 1;
+ private static final int HALT_MODE_REBOOT_SAFE_MODE = 2;
+
++ private static final int BUTTON_ON_DURATION = 5 * 1000;
++
+ // File location for last reboot reason
+ private static final String LAST_REBOOT_LOCATION = "/data/misc/reboot/last_reboot_reason";
+
+@@ -240,6 +242,7 @@ public final class PowerManagerService extends SystemService
+ private SettingsObserver mSettingsObserver;
+ private DreamManagerInternal mDreamManager;
+ private Light mAttentionLight;
++ private Light mButtonsLight;
+
+ private final Object mLock = LockGuard.installNewLock(LockGuard.INDEX_POWER);
+
+@@ -747,6 +750,7 @@ public final class PowerManagerService extends SystemService
+
+ mLightsManager = getLocalService(LightsManager.class);
+ mAttentionLight = mLightsManager.getLight(LightsManager.LIGHT_ID_ATTENTION);
++ mButtonsLight = mLightsManager.getLight(LightsManager.LIGHT_ID_BUTTONS);
+
+ // Initialize display power management.
+ mDisplayManagerInternal.initPowerManagement(
+@@ -1947,6 +1951,12 @@ public final class PowerManagerService extends SystemService
+ nextTimeout = mLastUserActivityTime
+ + screenOffTimeout - screenDimDuration;
+ if (now < nextTimeout) {
++ if (now > mLastUserActivityTime + BUTTON_ON_DURATION) {
++ mButtonsLight.setBrightness(0);
++ } else {
++ mButtonsLight.setBrightness(mDisplayPowerRequest.screenBrightness);
++ nextTimeout = now + BUTTON_ON_DURATION;
++ }
+ mUserActivitySummary = USER_ACTIVITY_SCREEN_BRIGHT;
+ } else {
+ nextTimeout = mLastUserActivityTime + screenOffTimeout;
+--
+2.15.1
+