Device	S-state	  Status   Sysfs node
LID	  S3	*enabled   platform:PNP0C0D:00
IGBE	  S4	*disabled
EXP4	  S4	*disabled  pci:0000:00:1c.3
EXP5	  S4	*disabled  pci:0000:00:1c.4
XHCI	  S3	*enabled   pci:0000:00:14.0
EHC1	  S3	*disabled
EHC2	  S3	*disabled
HDEF	  S4	*disabled  pci:0000:00:1b.0