acpitool
Try:
acpitool -w Device Sleep state Status --------------------------------------- 1. PB2 4 disabled 2. PB3 4 disabled 3. PB4 4 disabled 4. PB5 4 disabled 5. PB6 4 disabled 6. PB7 4 disabled 7. OHC1 3 enabled 8. OHC2 3 enabled 9. EHCI 3 enabled 10. KBC0 3 disabled 11. MSE0 3 disabled 12. P2P 4 disabled 13. LANC 3 enabled 14. AUDO 4 disabled 15. MODM 4 disabled 16. AZLA 4 disabled