prefer_subdevice  887 sound/core/pcm.c 	int prefer_subdevice;
prefer_subdevice  901 sound/core/pcm.c 	prefer_subdevice = snd_ctl_get_preferred_subdevice(card, SND_CTL_SUBDEV_PCM);
prefer_subdevice  914 sound/core/pcm.c 		if (prefer_subdevice < 0) {
prefer_subdevice  921 sound/core/pcm.c 				if (substream->number == prefer_subdevice)
prefer_subdevice  935 sound/core/pcm.c 		    (prefer_subdevice == -1 ||
prefer_subdevice  936 sound/core/pcm.c 		     substream->number == prefer_subdevice))