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authorAaron Lu <aaron.lu@intel.com>2015-03-12 00:09:57 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-03-23 00:01:31 +0300
commitff92cfe7cbc05c6c62f5b06c7d9090f4c853cd51 (patch)
tree3ddeffe215c83867c5040bf7093442f0f922616e /drivers/acpi/video_detect.c
parent9eccca0843205f87c00404b663188b88eb248051 (diff)
downloadlinux-ff92cfe7cbc05c6c62f5b06c7d9090f4c853cd51.tar.xz
ACPI / video: Allow forcing native backlight on non win8 machines
The native backlight behavior (so not registering both the acpi-video and the vendor backlight driver) can be useful on some non win8 machines too, so change the behavior of the video.use_native_backlight=1 or 0 kernel cmdline option to be: if user has set video.use_native_backlight=1 or 0, use that no matter if it is a win8 system or not. Also, we will put some known systems into the DMI table to make them either use native backlight interface or not, and the use_native_backlight_dmi is used to reflect that. Original-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/video_detect.c')
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