weird message on lock screen

[Austin185]

When my phone is on the charger, it usually says charging in the middle of the lock screen. Now its showing "unlock your device to use as a media device" why is this?

Posted via Android Central App

 

[Genebaby]

Are you charging via a USB port on a PC?

 

[Austin185]

Nope via USB wall charger

Posted via Android Central App

 

[Genebaby]

Something is up, it thinks it's connected via usb it seems.