Name
pci_set_power_state —
Set the power state of a PCI device
Synopsis
int pci_set_power_state ( | struct pci_dev * | dev, |
| | pci_power_t | state); |
Arguments
dev
PCI device to be suspended
state
PCI power state (D0, D1, D2, D3hot, D3cold) we're entering
Description
Transition a device to a new power state, using the Power Management
Capabilities in the device's config space.
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.