linux/Documentation/ABI/testing/sysfs-devices-power_state, branch masterLinux Kernel (branches are rebased on master from time to time)https://sre.ring0.de/linux/atom?h=master2013-01-24T11:49:59ZACPI / PM: Expose power states of ACPI devices to user space2013-01-24T11:49:59ZRafael J. Wysockirafael.j.wysocki@intel.com2013-01-24T11:49:59Zurn:sha1:836aedb1414d4724b2ec68dd19810960c593720c
Make it possible to retrieve the current power state of a device with
ACPI power management from user space via sysfs by adding two new
attributes, power_state and real_power_state, to the sysfs directory
associated with the struct acpi_device object representing the
device's ACPI node.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>