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ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569
authorHans de Goede <hdegoede@redhat.com>
Tue, 20 Jun 2023 18:45:04 +0000 (20:45 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 22 Jun 2023 15:54:45 +0000 (17:54 +0200)
commit23d28cc0444be3f694eb986cd653b6888b78431d
treebf49192877ff6ffb25b60ebf6b17b7788f512034tree | snapshot
parentaa8a950a5d6b2094830aff834198777371ff91ffcommit | diff
ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569

The Dell Studio 1569 predates Windows 8, so it defaults to using
acpi_video# for backlight control, but this is non functional on
this model.

Add a DMI quirk to use the native intel_backlight interface which
does work properly.

Reported-by: raycekarneal <raycekarneal@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/video_detect.c diff | blob | history
Domain: System / Kernel;