tw_indir_readb
u8 std_reg = tw_indir_readb(TW5864_INDIR_VIN_E(input->nr));
tw_indir_readb(TW5864_INDIR_CROP_ETC) |
u8 indir_0x000 = tw_indir_readb(TW5864_INDIR_VIN_0(input->nr));
u8 indir_0x00d = tw_indir_readb(TW5864_INDIR_VIN_D(input->nr));
reg->val = tw_indir_readb(reg->reg);