You can't quit but you may have to take a different angle...
When I was a teenager, my father (he has since told me) felt much like you (although for different reasons)...
He just didn't know what to do, so he did nothing...
I am almost fourty now. I have a decent relationship with him but not as close as it could have been, and there is frustration when NOW he chooses to try to act like he should have then...
Keep letting her know you are there for her...
Teenage girls and dads...is awkward at best anyway for a while...
So what are her passions, her interests, her likes?
How can you get to her level?
"Acceptance doesn't mean resignation. It means understanding that something is what it is and there's got to be a way through it."--Michael J. Fox