channel3 1450 arch/um/drivers/ubd_kern.c volume.channel3 = 255; channel3 3156 drivers/cdrom/cdrom.c volctrl.channel3 = buffer[offset+15]; channel3 3172 drivers/cdrom/cdrom.c buffer[offset + 15] = volctrl.channel3 & mask[offset + 15]; channel3 202 include/uapi/linux/cdrom.h __u8 channel3;