#### Driver for USB Audio Device Class devices.## Copyright (c) 2009-13 S.Zharski <imker@gmx.li>## Distributed under the terms of the MIT license.#### trace [mask] - activate different tracing levels## mask - decimal or hexadecimal number combined from the following bits## 0x01 - severe errors## 0x02 - general messages## 0x04 - controls map parsing and mixer control## 0x08 - driver API calls## 0x10 - data flow (without descriptors)## 0x20 - dump iso descriptors## 0x40 - USB audio control parsing## default value: 0x01#trace 0x7F## logfile [full path to private log file]## default path value: /var/log/usb_asix.log## if disabled - all output goes to sysloglogfile /boot/home/usb_audio.log## reset_logfile [on|off] - truncate private log file on driver/system restart## default value: off### reset_logfile off## add_timestamp [on|off] - add time of writing the string in private log file.## default value: on### add_timestamp off