PCI_SET_POWER_STATE(9) Hardware Interfaces PCI_SET_POWER_STATE(9)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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 PCI_SET_POWER_STATE(9)