seem onot support 24 bit in duplex
http://git.kernel.org/?p=linux/kernel/git/tiwai/sound.git;a=history;f=sound/usb/misc/ua101.c;hb=HEAD
seem onot support 24 bit in duplex
http:// git.kernel. org/?p= linux/kernel/ git/tiwai/ sound.git; a=history; f=sound/ usb/misc/ ua101.c; hb=HEAD