From: Hans de Goede Date: Fri, 9 Jan 2015 15:28:29 +0100 Subject: [PATCH] acpi-video: Add disable_native_backlight quirk for Samsung 730U3E/740U3E The Samsung 730U3E/740U3E has integrated ATI Radeon graphics, and backlight control does not work properly when using the native interfaces. BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1094948 Signed-off-by: Hans de Goede --- drivers/acpi/video.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 25863442b6ae..5c4e35bebd3b 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -505,7 +505,15 @@ static struct dmi_system_id video_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"), }, }, - + { + /* https://bugzilla.redhat.com/show_bug.cgi?id=1094948 */ + .callback = video_disable_native_backlight, + .ident = "SAMSUNG 730U3E/740U3E", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "730U3E/740U3E"), + }, + }, { .callback = video_disable_native_backlight, .ident = "SAMSUNG 870Z5E/880Z5E/680Z5E", -- 2.1.0