The 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. Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=84221 Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=84651 For SAMSUNG 870Z5E/880Z5E/680Z5E: Reported-and-tested-by: Brent Saner <brent.saner@xxxxxxxxx> Reported-by: Vitaliy Filippov <vitalif@xxxxxxxxxx> Reported-by: Laszlo KREKACS <laszlo.krekacs.list@xxxxxxxxx> For SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V: Reported-by: Vladimir Perepechin <vovochka13@xxxxxxxxx> Cc: 3.17+ <stable@xxxxxxxxxxxxxxx> # 3.17+ Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx> --- drivers/acpi/video.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index adf4b4cf0be6..43384360c2b1 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -492,6 +492,23 @@ 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"), + }, + }, {} }; -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
