tag	line	file	source code
_GUS_VOICEOFF	2001	drivers/sound/gus_wave.c	case _GUS_VOICEOFF:
_GUS_VOICEOFF	104	include/linux/ultrasound.h	#define GUS_VOICEOFF(chn, voice)    _GUS_CMD(chn, voice, _GUS_VOICEOFF, 0, 0)