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 handle.
state
PCI power state (D0, D1, D2, D3hot) to put the device into.
Description
Transition a device to a new power state, using the platform firmware and/or
the device's PCI PM registers.
RETURN VALUE
-EINVAL if the requested state is invalid.
-EIO if device does not support PCI PM or its PM capabilities register has a
wrong version, or device doesn't support the requested state.
0 if device already is in the requested state.
0 if device's power state has been successfully changed.