K 10 svn:author V 8 hselasky K 8 svn:date V 27 2012-11-13T16:59:42.709188Z K 7 svn:log V 485 MFC r242127, r240078, r240609, r241988, r242129, r242223, r242438, r242453, r242455 and r242458: Add full support for Fast Track Ultra 8R from M-audio. Implement support for USB Audio v2.0. Remove some redundant USB audio v1.0 debug data. Use lsusb instead. Implement support for the so-called USB feedback endpoint for USB audio devices. Export all mixer nodes into dev.pcm.X.mixer.Y sysctl nodes. Fix a memory leak of mixer data at USB audio device detach. PR: usb/171254 END