snd_ctl_card_info  712 include/sound/asound.h struct snd_ctl_card_info {
snd_ctl_card_info  851 include/sound/asound.h SNDRV_CTL_IOCTL_CARD_INFO = _IOR('U', 0x01, struct snd_ctl_card_info),
snd_ctl_card_info  544 sound/core/control.c static int snd_ctl_card_info(struct snd_card *card, struct snd_ctl_file * ctl,