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ACPI / video: Add quirks for the Dell Precision 7510

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The Dell Precision 7510 has a broken acpi-video implementation.

The backlight control bits work, but when the brightness is changed via
the acpi-video interface the backlight flickers annoyingly before settling
at the new brightness, switching to using the native interface fixes the
flickering so add a quirk for this (the vendor interface can not change the
brightness at all).

Signed-off-by: Shih-Yuan Lee (FourDollars) <sylee@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Shih-Yuan Lee (FourDollars) 2017-06-14 16:29:16 +08:00 committed by Rafael J. Wysocki
parent c0bc126f97
commit d37efb79bc
1 changed files with 8 additions and 0 deletions
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8
drivers/acpi/video_detect.c
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@ -305,6 +305,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Dell System XPS L702X"),
},
},
{
.callback = video_detect_force_native,
.ident = "Dell Precision 7510",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
},
},
{ },
};