| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 086/183] ACPI / video: Add disable_native_backlight quirk for Samsung 510R | Date | Fri, 6 Mar 2015 09:56:17 +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 e77a16355a29230b99bafe55834a8252e55308ec upstream.
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.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1186097 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 d4b6a214892b..0f9bf52792b5 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -712,6 +712,15 @@ 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",
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