Am 30.03.2011 16:03, schrieb kelly hirai:

> USE=usb-usx2y emerge -a --newuse --deep  alsa-firmware
> 
> Calculating dependencies... done!
> [ebuild  N    ] media-sound/alsa-firmware-1.0.23  ALSA_CARDS="emu10k1
> maestro3 ymfpci -aica -asihpi -darla20 -darla24 -echo3g -emi26 -emu1212
> -emu1616 -emu1820 -gina20 -gina24 -hdsp -hdspm -indigo -indigoio
> -korg1212 -layla20 -layla24 -mia -mixart -mona -msnd-pinnacle -pcxhr
> -sb16 -usb-usx2y -vx222 -wavefront"

ALSA_CARDS is not a extended USE_FLAG.
You could try USE="alsa_cards_usb-usx2y" or make it right and set
ALSA_CARDS="usb-usx2y" in /etc/make.conf

Greetings

Sebastian Beßler