snd_ctl_get_preferred_subdevice  133 include/sound/control.h int snd_ctl_get_preferred_subdevice(struct snd_card *card, int type);
snd_ctl_get_preferred_subdevice 1777 sound/core/control.c EXPORT_SYMBOL_GPL(snd_ctl_get_preferred_subdevice);
snd_ctl_get_preferred_subdevice  901 sound/core/pcm.c 	prefer_subdevice = snd_ctl_get_preferred_subdevice(card, SND_CTL_SUBDEV_PCM);
snd_ctl_get_preferred_subdevice  420 sound/core/rawmidi.c 		subdevice = snd_ctl_get_preferred_subdevice(card, SND_CTL_SUBDEV_RAWMIDI);