Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4df4f532 authored by Ashay Jaiswal's avatar Ashay Jaiswal Committed by Linux Build Service Account
Browse files

batteryservice: add support for charger led blinking 

Add following charger LED behaviour:
If battery SOC is between 15 and 90
- if charger type is HVDCP blink LED (orange color)
- for any other charger type solid orange color.

CRs-Fixed: 1011948
Change-Id: Ibd0589911f9b6d9c92b331f10d93c4035a8f89b8
parent efc06fdc

services/core/java/com/android/server/BatteryService.java

+36 −2
Original line number Diff line number Diff line
@@ -933,6 +933,34 @@ public final class BatteryService extends SystemService { 
                    com.android.internal.R.integer.config_notificationsBatteryLedOff);

        }



        private boolean isHvdcpPresent() {

            File mChargerTypeFile = new File("/sys/class/power_supply/usb/type");

            FileReader fileReader;

            BufferedReader br;

            String type;

            boolean ret;



            try {

                fileReader = new FileReader(mChargerTypeFile);

                br = new BufferedReader(fileReader);

                type =  br.readLine();

                if (type.regionMatches(true, 0, "USB_HVDCP", 0, 9))

                    ret = true;

                else

                    ret = false;

                br.close();

                fileReader.close();

            } catch (FileNotFoundException e) {

                ret = false;

                Slog.e(TAG, "Failure in reading charger type", e);

            } catch (IOException e) {

                ret = false;

                Slog.e(TAG, "Failure in reading charger type", e);

            }



            return ret;

        }



        /**

         * Synchronize on BatteryService.

         */
@@ -953,10 +981,16 @@ public final class BatteryService extends SystemService { 
                if (status == BatteryManager.BATTERY_STATUS_FULL || level >= 90) {

                    // Solid green when full or charging and nearly full

                    mBatteryLight.setColor(mBatteryFullARGB);

                } else {

                    if (isHvdcpPresent()) {

                        // Blinking orange if HVDCP charger

                        mBatteryLight.setFlashing(mBatteryMediumARGB, Light.LIGHT_FLASH_TIMED,

                                mBatteryLedOn, mBatteryLedOn);

                    } else {

                        // Solid orange when charging and halfway full

                        mBatteryLight.setColor(mBatteryMediumARGB);

                    }

                }

            } else {

                // No lights if not charging and not low

                mBatteryLight.turnOff();