UAC3_PD_STATE_D0  824 sound/usb/pcm.c 	ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D0);
UAC3_PD_STATE_D0  902 sound/usb/pcm.c 	ret = snd_usb_pcm_change_state(subs, UAC3_PD_STATE_D0);
UAC3_PD_STATE_D0   89 sound/usb/power.c 	if (state == UAC3_PD_STATE_D0) {