acpitool -w
Device S-state Status Sysfs node
---------------------------------------
1. UAR1 S3 *disabled
2. RP01 S4 *disabled pci:0000:00:1c.0
3. PXSX S4 *disabled
4. RP02 S4 *disabled
[cut for brevity]
16. RP08 S4 *disabled pci:0000:00:1c.7
17. PXSX S4 *disabled pci:0000:0e:00.0
18. GLAN S4 *enabled pci:0000:00:19.0
19. EHC1 S3 *enabled pci:0000:00:1d.0
20. EHC2 S3 *enabled pci:0000:00:1a.0
21. XHC S4 *enabled pci:0000:00:14.0
22. HDEF S4 *disabled pci:0000:00:1b.0
23. TPD4 S4 *disabled
24. TPD7 S0 *disabled
25. TPD8 S0 *disabled
26. PEG0 S4 *disabled pci:0000:00:01.0
27. PEGP S4 *disabled pci:0000:01:00.0
28. PEGA S4 *disabled
29. PEG1 S4 *disabled
30. PEG2 S4 *disabled
31. LID0 S3 *enabled platform:PNP0C0D:00
32. PBTN S3 *enabled platform:PNP0C0C:00
To modify:
sudo acpitool -W 18
Result:
18. GLAN S4 *disabled pci:0000:00:19.0
Or use the raw kernel API:
cat /proc/acpi/wakeup
echo GLAN | sudo tee /proc/acpi/wakeup
cat /proc/acpi/wakeup
cat /proc/acpi/wakeup
echo GLAN | sudo tee /proc/acpi/wakeup
cat /proc/acpi/wakeup