Commit 61f9738d authored by Hans de Goede's avatar Hans de Goede Committed by Rafael J. Wysocki

ACPI / video: Add a quirk to force acpi-video backlight on Dell XPS L421X

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=1272633Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 584d8d1e
...@@ -232,6 +232,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = { ...@@ -232,6 +232,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
"900X3C/900X3D/900X3E/900X4C/900X4D"), "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 */ /* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */
.callback = video_detect_force_video, .callback = video_detect_force_video,
......
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