.TH "pci_set_power_state" 9 "pci_set_power_state" "25 May 1998" "Kernel Hacker's Manual" LINUX
.SH NAME
pci_set_power_state \-  Set the power state of a PCI device
.SH SYNOPSIS
.B "int" pci_set_power_state
.BI "(struct pci_dev *" dev ","
.BI "int " state ");"
.SH ARGUMENTS
.IP "dev" 12
 PCI device to be suspended
.IP "state" 12
 Power state we're entering
.SH "DESCRIPTION"
Transition a device to a new power state, using the Power Management 
Capabilities in the device's config space.
.SH "RETURN VALUE"
 
-EINVAL if trying to enter a lower state than we're already in.
0 if we're already in the requested state.
-EIO if device does not support PCI PM.
0 if we can successfully change the power state.