SAI_XSLOTR_SLOTSZ_MASK 621 sound/soc/stm/stm32_sai_sub.c slotr_mask = SAI_XSLOTR_SLOTSZ_MASK | SAI_XSLOTR_NBSLOT_MASK; SAI_XSLOTR_SLOTSZ_MASK 868 sound/soc/stm/stm32_sai_sub.c slot_sz = slotr & SAI_XSLOTR_SLOTSZ_MASK;