tag	line	file	source code
DSP_COMMAND	428	drivers/sound/aedsp16.c	outb (cmd, port + DSP_COMMAND);
DSP_COMMAND	82	drivers/sound/mad16_sb_midi.c	outb (val, DSP_COMMAND);
DSP_COMMAND	142	drivers/sound/sb_dsp.c	outb (val, DSP_COMMAND);