Hi, Here are four patches to add parsing support of USB audio class v2 descriptors to lsusb. UAC2 has differences in many details all over the place, and there are still some units lsusb can't fully parse. However, without the patches, the output looked like this: http://pastebin.com/p5Fxncp6 while with the patches applied, the output now makes much more sense, at least for the device I tested with: http://pastebin.com/Hcq2AZaL Thanks, Daniel [PATCH 1/4] dump_audiostreaming_interface(): fix ac-3 decoder [PATCH 2/4] parse USB audio class 2 control interface types [PATCH 3/4] parse USB audio class 2 streaming interfaces [PATCH 4/4] parse USB audio class 2 endpoints -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html