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ACPI / video: Add a quirk to force acpi-video backlight on Dell XPS L421X
author
Hans de Goede
<hdegoede@redhat.com>
Mon, 26 Oct 2015 14:20:46 +0000
(15:20 +0100)
committer
Rafael J. Wysocki
<rafael.j.wysocki@intel.com>
Mon, 2 Nov 2015 00:36:31 +0000
(
01:36
+0100)
Just like the Dell XPS 15 (L521X) the Dell XPS 14 (L421X) needs to use
the acpi-video backlight interface rather then the native one for backlight
control to work, add a quirk for this.
Link:
https://bugzilla.redhat.com/show_bug.cgi?id=1272633
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/acpi/video_detect.c
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diff --git
a/drivers/acpi/video_detect.c
b/drivers/acpi/video_detect.c
index 0d3a384b508a9c4782b7fe20ca1264dc3b11b0bf..daaf1c4e1e0f78657afb1f140b49e0cf3162d6df 100644
(file)
--- a/
drivers/acpi/video_detect.c
+++ b/
drivers/acpi/video_detect.c
@@
-232,6
+232,15
@@
static const struct dmi_system_id video_detect_dmi_table[] = {
"900X3C/900X3D/900X3E/900X4C/900X4D"),
},
},
+ {
+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1272633 */
+ .callback = video_detect_force_video,
+ .ident = "Dell XPS14 L421X",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "XPS L421X"),
+ },
+ },
{
/* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */
.callback = video_detect_force_video,