ZL38_MAX_RAW_XFER
if (reg_size != 2 || val_size > ZL38_MAX_RAW_XFER)
u8 buf[4 + ZL38_MAX_RAW_XFER];
if (count > (2 + ZL38_MAX_RAW_XFER) || count < 4)
.max_raw_write = ZL38_MAX_RAW_XFER,
.max_raw_read = ZL38_MAX_RAW_XFER,