| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 085/183] ACPI / video: Add disable_native_backlight quirk for Samsung 730U3E/740U3E | Date | Fri, 6 Mar 2015 09:56:16 +0000 |
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3.16.7-ckt8 -stable review patch. If anyone has any objections, please let me know.
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From: Hans de Goede <hdegoede@redhat.com>
commit 3295d73002f4be341069a000aec4b8d7e5ea8d2c upstream.
The Samsung 730U3E/740U3E has integrated ATI Radeon graphics, and backlight control does not work properly when using the native interfaces.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1094948 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/acpi/video.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index b7bed5fdc433..d4b6a214892b 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -711,6 +711,15 @@ static struct dmi_system_id video_dmi_table[] __initdata = { DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"), }, }, + { + /* 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"), + }, + }, { /* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */
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