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Commit 4dbaf3ee authored by Tom Giordano's avatar Tom Giordano Committed by Gerrit Code Review
Browse files

LegacyUSB: add overlay for UMS lun and use existence of lun to enable legacy USB 

Change-Id: Id14f70f7e21b689c08cadef69f69da711c7dc566
parent 1578863d

core/res/res/values/config.xml

+4 −2
Original line number Diff line number Diff line
@@ -868,7 +868,9 @@ 


    <!-- CM CHANGES START HERE -->



    <!-- Use legacy USB device manager. -->

    <bool name="config_usesLegacyUsbDeviceManager">false</bool>

    <!-- LUN file to be used by legacy USB manager.

         The existence of this file will be used to determine in the

         legacy USB manager should be started. -->

    <string name="config_legacyUmsLunFile">/sys/devices/platform/usb_mass_storage/lun0/file</string>



</resources>

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

+1 −1
Original line number Diff line number Diff line
@@ -75,7 +75,7 @@ public class LegacyUsbDeviceManager extends UsbDeviceManager { 
    private static final String FUNCTIONS_PATH =

            "/sys/devices/virtual/usb_composite/";

    private static final String MASS_STORAGE_FILE_PATH =

            "/sys/devices/platform/msm_hsusb/gadget/lun0/file";

            Resources.getSystem().getString(com.android.internal.R.string.config_legacyUmsLunFile);



    private static final int MSG_UPDATE_STATE = 0;

    private static final int MSG_ENABLE_ADB = 1;

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

+1 −1
Original line number Diff line number Diff line
@@ -54,7 +54,7 @@ public class UsbService extends IUsbManager.Stub { 
        if (new File("/sys/class/android_usb").exists()) {

            mDeviceManager = new UsbDeviceManager(context, mSettingsManager);

        }

        else if(Resources.getSystem().getBoolean(com.android.internal.R.bool.config_usesLegacyUsbDeviceManager))

        else if(new File(Resources.getSystem().getString(com.android.internal.R.string.config_legacyUmsLunFile)).exists())

            mDeviceManager = new LegacyUsbDeviceManager(context, mSettingsManager);

    }