PLAYBACK_ENABLE
(reg & ~(CAPTURE_ENABLE|PLAYBACK_ENABLE)));
ad_write(&sc->sc_ad, SP_INTERFACE_CONFIG, (reg & ~PLAYBACK_ENABLE));
(reg | PLAYBACK_ENABLE));
ad_write(&sc->sc_ad1848, SP_INTERFACE_CONFIG, cfg | PLAYBACK_ENABLE);
cfg & ~PLAYBACK_ENABLE);
r &= ~(CAPTURE_ENABLE | PLAYBACK_ENABLE);
ad_write(sc, SP_INTERFACE_CONFIG, reg & ~PLAYBACK_ENABLE);
ad_write(sc, SP_INTERFACE_CONFIG, PLAYBACK_ENABLE|reg);
(cfg | PLAYBACK_ENABLE));
ad_write(&sc->sc_ad1848, SP_INTERFACE_CONFIG,(cfg & ~PLAYBACK_ENABLE));