CTLF 1800 sound/pci/ctxfi/cthw20k1.c const u32 CTLF = CTLBITS('C', 'T', 'L', 'F'); CTLF 1869 sound/pci/ctxfi/cthw20k1.c writel(CTLF, (mem_base + UAA_CORE_CHANGE));