tag	line	file	source code
data_addr	45	drivers/sound/sound_timer.c	static volatile int select_addr, data_addr;
data_addr	60	drivers/sound/sound_timer.c	OUTB ((unsigned char) (val & 0xff), data_addr);
data_addr	389	drivers/sound/sound_timer.c	data_addr = io_base + 1;