Device	S-state	  Status   Sysfs node
EXP1	  S4	*disabled  pci:0000:00:1c.0
EXP2	  S4	*disabled
EXP3	  S4	*disabled  pci:0000:00:1c.2
EXP4	  S4	*disabled
PCIB	  S3	*disabled  pci:0000:00:1e.0
USB1	  S3	*enabled   pci:0000:00:1d.0
USB2	  S3	*enabled   pci:0000:00:1d.1
USB4	  S3	*enabled   pci:0000:00:1d.3
EUSB	  S3	*enabled   pci:0000:00:1d.7
LID	  S3	*enabled   platform:PNP0C0D:00