athn_usb_switch_chan
error = athn_usb_switch_chan(sc, ic->ic_bss->ni_chan, NULL);
error = athn_usb_switch_chan(sc, ic->ic_bss->ni_chan, NULL);
athn_usb_switch_chan(sc, ic->ic_bss->ni_chan, NULL);
int athn_usb_switch_chan(struct athn_softc *,
athn_usb_switch_chan(sc, ic->ic_ibss_chan,