tag	line	file	source code
_GUS_VOICEON	1991	drivers/sound/gus_wave.c	case _GUS_VOICEON:
_GUS_VOICEON	103	include/linux/ultrasound.h	#define GUS_VOICEON(chn, voice, p1)    _GUS_CMD(chn, voice, _GUS_VOICEON, (p1), 0)