patches/packages/apps/Settings/0001-Act-as-usb-device-when-there-is-no-hal-but-we-believ.patch

From 234564efdde6678caebcbdf7c7ba989f6b66cb6e Mon Sep 17 00:00:00 2001
From: Pierre-Hugues Husson <phh@phh.me>
Date: Tue, 14 Aug 2018 21:48:19 +0200
Subject: [PATCH] Act as usb device when there is no hal, but we believe we are
 a device

Change-Id: I036090738525fd8cc63534d52d02ab1852950a7d
---
 .../usb/UsbConnectionBroadcastReceiver.java               | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java b/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java
index 1b525352d0..fdd183b53d 100644
--- a/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java
+++ b/src/com/android/settings/connecteddevice/usb/UsbConnectionBroadcastReceiver.java
@@ -77,6 +77,14 @@ public class UsbConnectionBroadcastReceiver extends BroadcastReceiver implements
                 mFunctions = functions;
                 mDataRole = mUsbBackend.getDataRole();
                 mPowerRole = mUsbBackend.getPowerRole();
+                //If we have no USB HAL, mDataRole is invalid
+                //But we can't be connected AND have none data_role, so it's safe.
+		//It would be better to fix UsbManager when no HAL is available, but that's more work
+                if(mDataRole == UsbPort.DATA_ROLE_NONE &&
+                        intent.getExtras().getBoolean(UsbManager.USB_CONNECTED) &&
+                        !intent.getExtras().getBoolean(UsbManager.USB_HOST_CONNECTED))
+                    mDataRole = UsbPort.DATA_ROLE_DEVICE;
+
             }
         } else if (UsbManager.ACTION_USB_PORT_CHANGED.equals(intent.getAction())) {
             UsbPortStatus portStatus = intent.getExtras()
-- 
2.17.1