[PATCH 3.16.y-ckt 084/183] ACPI / video: Add disable_native_backlight quirk for Dell XPS15 L521X
From: Luis Henriques
Date: Fri Mar 06 2015 - 05:38:27 EST
3.16.7-ckt8 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Hans de Goede <hdegoede@xxxxxxxxxx>
commit 6a3ef10bacb08860805e9053f919786dc34760ba upstream.
The L521X variant of the Dell XPS15 has integrated nvidia graphics, and
backlight control does not work properly when using the native interfaces.
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1163574
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
drivers/acpi/video.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 28fa58c11e56..b7bed5fdc433 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -711,6 +711,16 @@ 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=1163574 */
+ .callback = video_disable_native_backlight,
+ .ident = "Dell XPS15 L521X",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"),
+ },
+ },
{}
};
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