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pci_set_power_state
Langue: en
Version: October 2010 (fedora - 01/12/10)
Section: 9 (Appels noyau Linux)
NAME
pci_set_power_state - Set the power state of a PCI deviceSYNOPSIS
- 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.
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