 USB audio (  USB DAC PCM2704)  Onda 580W Deluxe v.1,  ICS 1.0  
USB audio   ,     ,     .

1.  /system/etc  
2.   install-recovery.sh  /system/etc.
3.      

chmod 755 /system/etc/install-recovery.sh

4.  /system/lib/hw  
5.  audio.primary.exDroid.so  /system/lib/hw (   ,     )
6.       

chmod 644 /system/lib/hw/audio.primary.exDroid.so

7.  /system/lib  
8.  libtinyalsa.so  /system/lib (   ,     )
9.       

chmod 644 /system/lib/libtinyalsa.so

10.  /system/vendor/modules  
11.  snd-hwdep.ko, snd-rawmidi.ko, snd-usb-audio.ko, snd-usbmidi-lib.ko  /system/vendor/modules
12.      

chmod 644 /system/vendor/modules/snd-hwdep.ko
chmod 644 /system/vendor/modules/snd-rawmidi.ko
chmod 644 /system/vendor/modules/snd-usb-audio.ko
chmod 644 /system/vendor/modules/snd-usbmidi-lib.ko

13.       

reboot