SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE  990 include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)
SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE  990 tools/include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE _IOW('U', 0x42, int)