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ACPI: video: Add backlight=native DMI quirk for Dell Studio 1569

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[ Upstream commit 23d28cc044 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hans de Goede
2023-06-20 20:45:04 +02:00
committed by Greg Kroah-Hartman
parent aa7cdf487a
commit e055d0ec88
1 changed files with 8 additions and 0 deletions
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8
drivers/acpi/video_detect.c
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@@ -510,6 +510,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"), DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
}, },
}, },
{
.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, .callback = video_detect_force_native,
/* Acer Aspire 3830TG */ /* Acer Aspire 3830TG */