39 lines
1.1 KiB
Diff
39 lines
1.1 KiB
Diff
From: Hans de Goede <hdegoede@redhat.com>
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Date: Fri, 21 Nov 2014 13:39:19 +0100
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Subject: [PATCH] acpi-video: Add disable_native_backlight quirk for Dell XPS15
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L521X
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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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BugLink: 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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---
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drivers/acpi/video.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
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index a3d293806f96..e109b2cfb5b3 100644
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--- a/drivers/acpi/video.c
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+++ b/drivers/acpi/video.c
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@@ -769,6 +769,16 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
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DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"),
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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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--
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2.1.0
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