The Dell XPS13 9333 has a buggy acpi-video backlight control, hence favor the properly working native backlight interface.
Signed-off-by: Gabriele Mazzotta gabriele.mzt@gmail.com --- drivers/acpi/video.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 101fb09..352eb6b 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -523,6 +523,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, }, { + .callback = video_set_use_native_backlight, + .ident = "Dell XPS13 9333", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "XPS13 9333"), + }, + }, + { .callback = video_set_use_native_backlight, .ident = "Acer Aspire 5733Z", .matches = {