Commit 1c8fbc1f authored Mar 31, 2020 by Hans de Goede Committed by Rafael J. Wysocki Apr 01, 2020

ACPI: video: Use native backlight on Acer Aspire 5783z

The Acer Aspire 5783z shipped with Windows 7 and as such does not trigger
our "win8 ready" heuristic for prefering the native backlight interface.

Still ACPI backlight control doesn't work on this model, where as the
native (intel_video) backlight interface does work. Add a quirk to
force using native backlight control on this model.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent 5fd769c2

drivers/acpi/video_detect.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -352,6 +352,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
		DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
		},
		},
		{
		.callback = video_detect_force_native,
		.ident = "Acer Aspire 5738z",
		.matches = {
		DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
		DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
		DMI_MATCH(DMI_BOARD_NAME, "JV50"),
		},
		},

		/*
		* Desktops which falsely report a backlight and which our heuristics

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