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Talmid of Levi 2023-12-04 10:54:44 -05:00
parent 8f26f434af
commit 162369b604
1 changed files with 61 additions and 0 deletions
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patches/button_backlight.patch Normal file
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@ -0,0 +1,61 @@
diff --git a/services/core/java/com/android/server/display/DisplayPowerController.java b/services/core/java/com/android/server/display/DisplayPowerController.java
index 7c0f4197363..16758ba496e 100644
--- a/services/core/java/com/android/server/display/DisplayPowerController.java
+++ b/services/core/java/com/android/server/display/DisplayPowerController.java
@@ -63,7 +63,12 @@ import com.android.server.display.whitebalance.DisplayWhiteBalanceFactory;
import com.android.server.display.whitebalance.DisplayWhiteBalanceSettings;
import com.android.server.policy.WindowManagerPolicy;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
import java.io.PrintWriter;
+import java.io.Writer;
import java.util.List;
/**
@@ -561,6 +566,18 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
mDisplayWhiteBalanceController = displayWhiteBalanceController;
}
+ private void changeKeyboardBacklightState(String value) {
+ try {
+ File outputFile = new File("/sys/class/leds/keyboard_light/", "brightness");
+ Writer writer = new BufferedWriter(new FileWriter(outputFile));
+
+ writer.write(value);
+ writer.close();
+ } catch (IOException e) {
+ Slog.d("NEHEMIAH", "Sorry, failed to change the value of the keyboard backlight");
+ }
+ }
+
private Sensor findDisplayLightSensor(String sensorType) {
if (!TextUtils.isEmpty(sensorType)) {
List<Sensor> sensors = mSensorManager.getSensorList(Sensor.TYPE_ALL);
@@ -1154,6 +1171,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
&& mReportedScreenStateToPolicy == REPORTED_TO_POLICY_SCREEN_TURNING_ON) {
setReportedScreenState(REPORTED_TO_POLICY_SCREEN_ON);
mWindowManagerPolicy.screenTurnedOn();
+ changeKeyboardBacklightState("255");
}
// Grab a wake lock if we have unfinished business.
@@ -1310,6 +1328,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
setReportedScreenState(REPORTED_TO_POLICY_SCREEN_OFF);
unblockScreenOn();
mWindowManagerPolicy.screenTurnedOff();
+ changeKeyboardBacklightState("0");
} else if (!isOff
&& mReportedScreenStateToPolicy == REPORTED_TO_POLICY_SCREEN_TURNING_OFF) {
@@ -1317,6 +1336,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
// Complete the full state transition on -> turningOff -> off.
unblockScreenOff();
mWindowManagerPolicy.screenTurnedOff();
+ changeKeyboardBacklightState("0");
setReportedScreenState(REPORTED_TO_POLICY_SCREEN_OFF);
}
if (!isOff && mReportedScreenStateToPolicy == REPORTED_TO_POLICY_SCREEN_OFF) {