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jwrdegoederafaeljw
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ACPI: video: Use native backlight on Dell Inspiron N4010
The Dell Inspiron N4010 does not have ACPI backlight control, so acpi_video_get_backlight_type()'s heuristics return vendor as the type to use. But the vendor interface is broken, where as the native (intel_backlight) works well, add a quirk to use native. Link: https://lore.kernel.org/regressions/CALF=6jEe5G8+r1Wo0vvz4GjNQQhdkLT5p8uCHn6ZXhg4nsOWow@mail.gmail.com/ Reported-and-tested-by: Ben Greening <[email protected]> Signed-off-by: Hans de Goede <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
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drivers/acpi/video_detect.c

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@@ -347,6 +347,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
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DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro12,1"),
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},
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},
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{
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.callback = video_detect_force_native,
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/* Dell Inspiron N4010 */
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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, "Inspiron N4010"),
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},
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},
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{
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.callback = video_detect_force_native,
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/* Dell Vostro V131 */

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