From 7d0b93499f4879ddbc75d594f4ea216ba964f78e Mon Sep 17 00:00:00 2001 From: Aaron Lu Date: Mon, 22 Dec 2014 15:18:05 +0800 Subject: [PATCH] ACPI / video: Add some Samsung models to disable_native_backlight list Several Samsung laptop models (SAMSUNG 870Z5E/880Z5E/680Z5E and SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V) do not have a working native backlight control interface so restore their acpi_videoX interface. Link: https://bugzilla.kernel.org/show_bug.cgi?id=84221 Link: https://bugzilla.kernel.org/show_bug.cgi?id=84651 For SAMSUNG 870Z5E/880Z5E/680Z5E: Reported-and-tested-by: Brent Saner Reported-by: Vitaliy Filippov Reported-by: Laszlo KREKACS For SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V: Reported-by: Vladimir Perepechin Cc: 3.17+ # 3.17+ Signed-off-by: Aaron Lu Signed-off-by: Rafael J. Wysocki --- drivers/acpi/video.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 1eaadff2e198..c72e79d2c5ad 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -505,6 +505,23 @@ static struct dmi_system_id video_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"), }, }, + + { + .callback = video_disable_native_backlight, + .ident = "SAMSUNG 870Z5E/880Z5E/680Z5E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "870Z5E/880Z5E/680Z5E"), + }, + }, + { + .callback = video_disable_native_backlight, + .ident = "SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"), + }, + }, {} }; -- 2.20.1