DW100_BLOCK_SIZE
return DIV_ROUND_UP(length, DW100_BLOCK_SIZE) + 1;
#define DW100_DEF_LUT_W (DIV_ROUND_UP(DW100_DEF_W, DW100_BLOCK_SIZE) + 1)
#define DW100_DEF_LUT_H (DIV_ROUND_UP(DW100_DEF_H, DW100_BLOCK_SIZE) + 1)