3.16.7-ckt8 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans de Goede <hdegoede@xxxxxxxxxx> 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 <hdegoede@xxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx> --- drivers/acpi/video.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 28fa58c11e56..b7bed5fdc433 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"), + }, + }, {} }; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html