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I have an HTC EVO, and it is my understanding that the hardware supports USB host mode. I am still working to confirm this, but even if it doesn't, I understand other devices do, and that the Android kernel supports USB2Go.

Assuming the hardware is capable, what would it take to get Android to use a USB audio interface? I am only interested in trying to get it working for class-compliant interfaces, as anything else isn't worth the effort.

I understand this is a bit of an general question. I am hoping someone has already tried this. I'm a software developer but have not dug into Android much. This would be a heavy first project for me, but any information on how/if this could even be done would be much appreciated.

Edit: Seems this guy got it working on a Nexus One: http://sven.killig.de/android/N1/2.2/usb_host/

Edit #2: So, since there seem to be drivers available... how would I load them? Is ADB the only way? Is a kernel update required, or can I simply drop the modules in place and load them? If a kernel update is required, can I replace the kernel without losing everything else?

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I think this is to development-oriented to be here. Try StackOverflow. That said, if the hardware supports it then there's no reason it can't be done, as illustrated by it working on the N1. You might want to talk to that guy! – Matthew Read♦ Dec 13 '10 at 21:29
@Matthew, given that it is working on the N1, I guess that means I need to figure out how to load device drivers. Editing my question now... – Brad Dec 13 '10 at 21:37
I'm still inclined to say this is a development question, but you can't drop drivers in place that the kernel doesn't support. You can update the kernel and replace it without problems in general, however. – Matthew Read♦ Dec 13 '10 at 21:44

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