Camera button BROKEN ????

[bossman74]

It looks like my camera button is broken.

If I press it, it doesn't open the camera app, and if I open the camera app myself, it doesn't even take a picture, I need to used the action button.

I've already checked in the buttons setting to make sure it was still mapped to "CAMERA" function.

Is there something else that may cause this or is it just a hardware failure from one of the many falls the phone took?

Any Ideas on how to repair or replace it ?