From 7461b84ac1f72e64b93bdae8cee65e79b86d0ff0 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Mon, 5 Jan 2015 08:57:04 +0100 Subject: [PATCH] ACPI / video: Add disable_native_backlight quirk for Dell XPS15 L521X commit 6a3ef10bacb08860805e9053f919786dc34760ba upstream. The L521X variant of the Dell XPS15 has integrated nvidia graphics, and backlight control does not work properly when using the native interfaces. Link: https://bugzilla.redhat.com/show_bug.cgi?id=1163574 Signed-off-by: Hans de Goede Signed-off-by: Rafael J. Wysocki Signed-off-by: Luis Henriques --- drivers/acpi/video.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 28fa58c11e563..b7bed5fdc433f 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -711,6 +711,16 @@ static struct dmi_system_id video_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"), }, }, + + { + /* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */ + .callback = video_disable_native_backlight, + .ident = "Dell XPS15 L521X", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"), + }, + }, {} }; -- 2.47.3