HDMI Portrait on ODROID-XU/XU3(Lollipop Android-5.1.1) CM-12.1

First boot Landscape.

Set HDMI Rotation at ODROID-Utility app.

Rotated Screen and Reboot.

After boot.

Run quick setting.

Landscape->Auto-rotate -> Portrait
Screen is rotated.

Reboot.

Screen is rotate automatically.

Patch for HDMI Portrait Screen.

https://github.com/codewalkerster/android_frameworks_base-1/commit/d2ad29b868e80e9c66222e870d9127a890e36137

https://github.com/codewalkerster/android_device_hardkernel_odroidxu3-1/commit/aa8c0fe4d5e059206009c62fd67589436ec71b62

How to install GAppsInstaller(Lollipop) on ODROID-XU3 CM version

Download GAppsInstaller for Lollipop.

http://dn.odroid.com/GAPPS/GAppsInstaller_lollipop.apk

Install GAppsInstaller.

But failed.

Get root permission.
Click Build number many times.

Now find Developer options.

Root access.

go back Setting and enter Privacy.

Privacy Guard.
Check 'Enabled by default and Gapps Installer item'

Now Can install.

Reboot and go 'Play Store'.