Allow USB OTG on ramdisk

Allow USB OTG on ramdisk for all ROMs, After flashing my custom kernel OTG will be enabled

Changes committed:
modified:   overlay/frameworks/base/core/res/res/xml/storage_list.xml
modified:   rootdir/etc/fstab.vigor
modified:   rootdir/etc/init.vigor.rc

Author: n0bytexFF

overlay/frameworks/base/core/res/res/xml/storage_list.xml

@@ -43,4 +43,9 @@
              android:primary="true"
              android:removable="false"
              android:allowMassStorage="true" />
-</StorageList>
+    <!-- external USB OTG storage -->
+    <storage android:mountPoint="/storage/usbdisk"
+             android:storageDescription="@string/storage_usb"
+             android:primary="false"
+             android:removable="true" />
+</StorageList>

rootdir/etc/fstab.vigor

@@ -15,3 +15,6 @@
 # SD Card
 /devices/platform/msm_sdcc.1/mmc_host/mmc0	auto	auto	defaults		voldmanaged=sdcard0:38,nonremovable,noemulatedsd
 /devices/platform/msm_sdcc.3/mmc_host/mmc2	auto	auto	defaults		voldmanaged=sdcard1:auto,noemulatedsd
+
+# USB OTG
+/devices/platform/msm_hsusb_host	auto	auto	defaults		voldmanaged=usbdisk:auto

rootdir/etc/init.vigor.rc

@@ -4,9 +4,11 @@ on init
     #External storage directories
     mkdir /mnt/media_rw/sdcard0 0700 media_rw media_rw
     mkdir /mnt/media_rw/sdcard1 0700 media_rw media_rw
+    mkdir /mnt/media_rw/usbdisk 0700 media_rw media_rw
 
     mkdir /storage/sdcard0 0700 root root
     mkdir /storage/sdcard1 0700 root root
+    mkdir /storage/usbdisk 0700 root root
 
     export EXTERNAL_STORAGE /storage/sdcard0
     export SECONDARY_STORAGE /storage/sdcard1
@@ -16,6 +18,8 @@ on init
     symlink /storage/sdcard0 /mnt/sdcard
     symlink /storage/sdcard1 /external_sd
     symlink /storage/sdcard1 /mnt/external_sd
+    symlink /storage/usbdisk /usbdisk
+    symlink /storage/usbdisk /mnt/usbdisk
 
     # 8x60: mount radio partition and create links for modem/q6 firmwares
     rm /vendor
@@ -364,3 +368,7 @@ service fuse_sdcard0 /system/bin/sdcard -u 1023 -g 1023 -d /mnt/media_rw/sdcard0
 service fuse_sdcard1 /system/bin/sdcard -u 1023 -g 1023 -d /mnt/media_rw/sdcard1 /storage/sdcard1
     class late_start
     disabled
+	
+service fuse_usbdisk /system/bin/sdcard -u 1023 -g 1023 /mnt/media_rw/usbdisk /storage/usbdisk
+    class late_start
+    disabled