commit 836aedb1414d4724b2ec68dd19810960c593720c
author Rafael J. Wysocki <rafael.j.wysocki@intel.com> Thu Jan 24 12:49:59 2013 +0100
committer Rafael J. Wysocki <rafael.j.wysocki@intel.com> Thu Jan 24 12:49:59 2013 +0100
tree 4f826283e16638ba521f5d31b021d79166cfde99
parent cf860be639d86ed77af179c925085ae0721ae602

ACPI / PM: Expose power states of ACPI devices to user space

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>