Cell phone as an action camera?

[Jeffsmountainauto]

Anyone successfully using their smart phone as an action camera? If so, what type of mount are you using?
I'm getting ready to ride a section of the California coastline on highway one with some friends and would like to video some of it. My phone seems like a viable option, as it has a better camera than most of the action cams I've looked at, and I already own the phone. I have s ram mount on my fairing but it vibrates a little too much for decent video. Any suggestions would be appreciated.