snd_rawmidi_info  171 include/sound/rawmidi.h int snd_rawmidi_info_select(struct snd_card *card, struct snd_rawmidi_info *info);
snd_rawmidi_info  606 include/uapi/sound/asound.h #define SNDRV_RAWMIDI_IOCTL_INFO	_IOR('W', 0x01, struct snd_rawmidi_info)
snd_rawmidi_info  935 include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_RAWMIDI_INFO	_IOWR('U', 0x41, struct snd_rawmidi_info)