Backlight control through the native intel interface does not work properly on the Samsung 510R, where as using the acpi_video interface does work, add a quirk for this. BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1186097 Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> --- drivers/acpi/video.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 497d986..88a4f99 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -523,6 +523,15 @@ static struct dmi_system_id video_dmi_table[] __initdata = { }, }, { + /* https://bugzilla.redhat.com/show_bug.cgi?id=1186097 */ + .callback = video_disable_native_backlight, + .ident = "SAMSUNG 3570R/370R/470R/450R/510R/4450RV", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "3570R/370R/470R/450R/510R/4450RV"), + }, + }, + { /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */ .callback = video_disable_native_backlight, .ident = "SAMSUNG 730U3E/740U3E", -- 2.2.2 -- 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
