Could Chromecast update TV?

[Racso14]

Since my TV's USB can power my CC, I was wondering if the USB is only for power, or if the CC could send data back to the tv? I just think this would make a great feature. Any thoughts?

 

[iOS Gravity]

Since my TV's USB can power my CC, I was wondering if the USB is only for power, or if the CC could send data back to the tv? I just think this would make a great feature. Any thoughts?

To the extent of my knowledge it is only for powering the device.