CYAPA_REG_MAP_SIZE
u8 irq_cmd_buf[CYAPA_REG_MAP_SIZE];
u8 empty_buf[CYAPA_REG_MAP_SIZE];
if (!buf || size > CYAPA_REG_MAP_SIZE)
buf_len = (*len < CYAPA_REG_MAP_SIZE) ?
*len : CYAPA_REG_MAP_SIZE;
} else if (length > CYAPA_REG_MAP_SIZE) {