Handle USB power role 'sink' (01355161) · Commits · e / os / android_frameworks_base

services/usb/java/com/android/server/usb/UsbDeviceManager.java

+22 −3

Original line number	Diff line number	Diff line
		@@ -49,6 +49,7 @@ import android.util.Pair;
		import android.util.Slog;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.os.SomeArgs;
		import com.android.internal.util.IndentingPrintWriter;
		import com.android.server.FgThread;

		@@ -320,6 +321,7 @@ public class UsbDeviceManager {
		private boolean mConnected;
		private boolean mHostConnected;
		private boolean mSourcePower;
		private boolean mSinkPower;
		private boolean mConfigured;
		private boolean mUsbDataUnlocked;
		private String mCurrentFunctions;
		@@ -401,7 +403,19 @@ public class UsbDeviceManager {
		public void updateHostState(UsbPort port, UsbPortStatus status) {
		boolean hostConnected = status.getCurrentDataRole() == UsbPort.DATA_ROLE_HOST;
		boolean sourcePower = status.getCurrentPowerRole() == UsbPort.POWER_ROLE_SOURCE;
		obtainMessage(MSG_UPDATE_HOST_STATE, hostConnected ? 1 :0, sourcePower ? 1 :0).sendToTarget();
		boolean sinkPower = status.getCurrentPowerRole() == UsbPort.POWER_ROLE_SINK;

		if (DEBUG) {
		Slog.i(TAG, "updateHostState " + port + ": dataRole=" + status.getCurrentDataRole() +
		", powerRole=" + status.getCurrentPowerRole());
		}

		SomeArgs args = SomeArgs.obtain();
		args.argi1 = hostConnected ? 1 :0;
		args.argi2 = sourcePower ? 1 :0;
		args.argi3 = sinkPower ? 1 :0;

		obtainMessage(MSG_UPDATE_HOST_STATE, args).sendToTarget();
		}

		private boolean waitForState(String state) {
		@@ -718,8 +732,11 @@ public class UsbDeviceManager {
		}
		break;
		case MSG_UPDATE_HOST_STATE:
		mHostConnected = (msg.arg1 == 1);
		mSourcePower = (msg.arg2 == 1);
		SomeArgs args = (SomeArgs) msg.obj;
		mHostConnected = (args.argi1 == 1);
		mSourcePower = (args.argi2 == 1);
		mSinkPower = (args.argi3 == 1);
		args.recycle();
		updateUsbNotification();
		if (mBootCompleted) {
		updateUsbStateBroadcastIfNeeded();
		@@ -809,6 +826,8 @@ public class UsbDeviceManager {
		}
		} else if (mSourcePower) {
		id = com.android.internal.R.string.usb_supplying_notification_title;
		} else if (mSinkPower) {
		id = com.android.internal.R.string.usb_charging_notification_title;
		}
		if (id != mUsbNotificationId) {
		// clear notification if title needs changing