tag	line	file	source code
synth_subtype	192	drivers/sound/dev_table.h	int synth_subtype;
synth_subtype	1201	drivers/sound/opl3.c	devc->fm_info.synth_subtype = FM_TYPE_ADLIB;
synth_subtype	1234	drivers/sound/opl3.c	devc->fm_info.synth_subtype = FM_TYPE_OPL3;
synth_subtype	497	include/linux/soundcard.h	int  synth_subtype;