]> git.baikalelectronics.ru Git - kernel.git/commit
ACPI / PM: Expose current status of ACPI power resources
authorRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 24 Jan 2013 11:50:09 +0000 (12:50 +0100)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 24 Jan 2013 11:50:09 +0000 (12:50 +0100)
commit650ec0cd5d153a5b1540a0527745326d560aa047
tree4a6f07a25ca239bb579cc583c67b92ab451d40b7
parenta1d36ba7aa62dd67ee76022679b4c8f435614df0
ACPI / PM: Expose current status of ACPI power resources

Since ACPI power resources are going to be used more extensively on
new hardware platforms, it becomes necessary for user space (powertop
in particular) to observe some properties of those resources for
diagnostics purposes.

For this reason, expose the current status of each ACPI power
resource to user space via sysfs by adding a new resource_in_use
attribute to the sysfs directory representing the given power
resource.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation/ABI/testing/sysfs-devices-resource_in_use [new file with mode: 0644]
drivers/acpi/power.c
drivers/acpi/scan.c
include/acpi/acpi_bus.h