1PCI_SET_POWER_STATE(9)        Hardware Interfaces       PCI_SET_POWER_STATE(9)
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NAME

6       pci_set_power_state - Set the power state of a PCI device
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SYNOPSIS

9       int pci_set_power_state(struct pci_dev * dev, pci_power_t state);
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ARGUMENTS

12       dev
13           PCI device to handle.
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15       state
16           PCI power state (D0, D1, D2, D3hot) to put the device into.
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DESCRIPTION

19       Transition a device to a new power state, using the platform firmware
20       and/or the device´s PCI PM registers.
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RETURN VALUE

23       -EINVAL if the requested state is invalid. -EIO if device does not
24       support PCI PM or its PM capabilities register has a wrong version, or
25       device doesn´t support the requested state. 0 if device already is in
26       the requested state. 0 if device´s power state has been successfully
27       changed.
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30Kernel Hackers Manual 2.6.         June 2019            PCI_SET_POWER_STATE(9)
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