snd_emux_misc_mode 211 include/uapi/sound/sfnt_info.h #define SNDRV_EMUX_IOCTL_MISC_MODE _IOWR('H', 0x84, struct snd_emux_misc_mode) snd_emux_misc_mode 53 sound/synth/emux/emux_hwdep.c struct snd_emux_misc_mode info;