_GUS_VOLUME_SCALE  100 include/uapi/linux/ultrasound.h #define GUS_VOLUME_SCALE(chn, voice, p1, p2)	_GUS_CMD(chn, voice, _GUS_VOLUME_SCALE, (p1), (p2))
_GUS_VOLUME_SCALE  460 sound/synth/emux/emux_oss.c 	case _GUS_VOLUME_SCALE: