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authorHans de Goede <hdegoede@redhat.com>2015-10-26 15:20:46 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-11-02 01:36:31 +0100
commit61f9738d65094a6b18d22c7beb6bb8c3dc0606b9 (patch)
treeb06dc6c4f6a3ed8608a2c8c1197f3c12084c124e /drivers/acpi/video_detect.c
parent584d8d1eb123b8be1274bf69f3ce07cee848d40d (diff)
downloadlinux-61f9738d65094a6b18d22c7beb6bb8c3dc0606b9.tar.bz2
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=1272633 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/video_detect.c')
-rw-r--r--drivers/acpi/video_detect.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 0d3a384b508a..daaf1c4e1e0f 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -233,6 +233,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
},
},
{
+ /* 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,
.ident = "Dell XPS15 L521X",