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authorHans de Goede <hdegoede@redhat.com>2023-06-20 20:45:04 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2023-06-22 17:54:45 +0200
commit23d28cc0444be3f694eb986cd653b6888b78431d (patch)
treebf49192877ff6ffb25b60ebf6b17b7788f512034 /drivers/acpi
parentaa8a950a5d6b2094830aff834198777371ff91ff (diff)
downloadlwn-23d28cc0444be3f694eb986cd653b6888b78431d.tar.gz
lwn-23d28cc0444be3f694eb986cd653b6888b78431d.zip
ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569
The Dell Studio 1569 predates Windows 8, so it defaults to using acpi_video# for backlight control, but this is non functional on this model. Add a DMI quirk to use the native intel_backlight interface which does work properly. Reported-by: raycekarneal <raycekarneal@gmail.com> 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')
-rw-r--r--drivers/acpi/video_detect.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index eb014c0eba42..18cc08c858cf 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -530,6 +530,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
},
{
.callback = video_detect_force_native,
+ /* Dell Studio 1569 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1569"),
+ },
+ },
+ {
+ .callback = video_detect_force_native,
/* Acer Aspire 3830TG */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"),