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authorZhang Rui <rui.zhang@intel.com>2016-11-29 23:19:46 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-11-29 23:19:46 +0100
commit7020bcb82838006e23d058ff07b063b393ed3f10 (patch)
treed658040515fe0b5161dc4d0e6b36fc2c2e2db868 /include
parente5517c2a5a49ed5e99047008629f1cd60246ea0e (diff)
ACPI: do not warn if _BQC does not exist
Starting from ACPI spec 3.0, it's only clarified that _BCM control method is required if _BCL is implemented. There is no word saying _BQC is required. And in ACPI spec 6.1 B.5.4, for _BQC, it is explicitly stated that "This optional method returns the current brightness level of a built-in display output device. If present, it must be set by the platform for initial brightness." Thus remove the obsolete warning message. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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