paltidx          3025 dev/usb/uaudio.c 	int paltidx=-1, raltidx=-1;
paltidx          3174 dev/usb/uaudio.c 			paltidx = i;
paltidx          3181 dev/usb/uaudio.c 		uaudio_chan_init(&sc->sc_playchan, paltidx, play, 0);