35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From: Hans de Goede <hdegoede@redhat.com>
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Date: Mon, 5 Jan 2015 08:57:04 +0100
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Subject: ACPI / video: Add disable_native_backlight quirk for Dell XPS15 L521X
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Origin: https://git.kernel.org/linus/6a3ef10bacb08860805e9053f919786dc34760ba
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The L521X variant of the Dell XPS15 has integrated nvidia graphics, and
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backlight control does not work properly when using the native interfaces.
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Link: https://bugzilla.redhat.com/show_bug.cgi?id=1163574
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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---
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drivers/acpi/video.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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--- a/drivers/acpi/video.c
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+++ b/drivers/acpi/video.c
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@@ -711,6 +711,16 @@ static struct dmi_system_id video_dmi_ta
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DMI_MATCH(DMI_PRODUCT_NAME, "370R4E/370R4V/370R5E/3570RE/370R5V"),
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},
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},
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+
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+ {
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+ /* https://bugzilla.redhat.com/show_bug.cgi?id=1163574 */
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+ .callback = video_disable_native_backlight,
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+ .ident = "Dell XPS15 L521X",
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+ .matches = {
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+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
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+ DMI_MATCH(DMI_PRODUCT_NAME, "XPS L521X"),
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+ },
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+ },
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{}
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};
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