tag	line	file	source code
channel3	1506	drivers/block/ide-cd.c	buffer[23] = volctrl.channel3 & mask[23];
channel3	328	drivers/scsi/sr_ioctl.c	buffer[27] = volctrl.channel3 & mask[27];
channel3	305	include/linux/cdrom.h	u_char  channel3;