Commit 23d28cc0 authored by Hans de Goede's avatar Hans de Goede Committed by Rafael J. Wysocki
Browse files

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: default avatarraycekarneal <raycekarneal@gmail.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent aa8a950a

drivers/acpi/video_detect.c

+8 −0
Original line number Diff line number Diff line
@@ -528,6 +528,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { 
		DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),

		},

	},

	{

	 .callback = video_detect_force_native,

	 /* Dell Studio 1569 */

	 .matches = {

		DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),

		DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1569"),

		},

	},

	{

	 .callback = video_detect_force_native,

	 /* Acer Aspire 3830TG */