[Q] USB fast charge Kernal

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I'm using a nexus 7, 32gb (wifi) JOP40D, and I'm looking for a kernal that supports usb fast charge. I'm currently using the Trinity seven kernal 4.2 alpha 4, but I'm not entirely sure that it support fast charge. I installed a root app that says it toggles USB fast charge on and off, and says that the current kernal does not support fast charge. Are there any kernals out there that do support fast charge?

Doesn't look like many Kernels for the N7 support it. Not sure why, i specifically installed a Kernel on my GS3 that supports it but im unsure why more people are not asking for this...