SNDRV_MINOR_CONTROL   30 include/sound/minors.h #define SNDRV_DEVICE_TYPE_CONTROL	SNDRV_MINOR_CONTROL
SNDRV_MINOR_CONTROL  119 sound/core/sound.c 	if (dev == SNDRV_MINOR_CONTROL) {
SNDRV_MINOR_CONTROL  187 sound/core/sound.c 		if (SNDRV_MINOR_DEVICE(minor) == SNDRV_MINOR_CONTROL)