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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-01-24 12:49:59 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-01-24 12:49:59 +0100
commit836aedb1414d4724b2ec68dd19810960c593720c (patch)
tree4f826283e16638ba521f5d31b021d79166cfde99 /fs/sysfs/group.c
parentcf860be639d86ed77af179c925085ae0721ae602 (diff)
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op-kernel-dev-836aedb1414d4724b2ec68dd19810960c593720c.tar.gz
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>
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