This is a note to let you know that I've just added the patch titled ACPI: video: Add force_native quirk for Sony Vaio VPCY11S1E to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: acpi-video-add-force_native-quirk-for-sony-vaio-vpcy.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 604142aa92fb8e6b1ce20b352b3a6240be50642b Author: Hans de Goede <hdegoede@xxxxxxxxxx> Date: Mon Nov 14 15:44:57 2022 +0100 ACPI: video: Add force_native quirk for Sony Vaio VPCY11S1E [ Upstream commit f5a6ff923d4a1d639da36228d00e95ff67d417f0 ] The Sony Vaio VPCY11S1E advertises both native and ACPI video backlight control interfaces, but only the native interface works and the default heuristics end up picking ACPI video on this model. Add a video_detect_force_native DMI quirk for this. Reported-by: Stefan Joosten <stefan@xxxxxxxxxxxxxx> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 8e8b435b4c8c..ffa19d418847 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -619,6 +619,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"), }, }, + { + .callback = video_detect_force_native, + /* Sony Vaio VPCY11S1E */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCY11S1E"), + }, + }, /* * These Toshibas have a broken acpi-video interface for brightness