ACPI / video: Add force_none quirk for Dell OptiPlex 9020M
Dell OptiPlex 9020M is a micro PC desktop that has no built-in LCD panel and its acpi_video does not work. Signed-off-by: Alex Hung <alex.hung@canonical.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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@ -103,6 +103,12 @@ static int video_detect_force_native(const struct dmi_system_id *d)
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return 0;
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return 0;
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}
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}
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static int video_detect_force_none(const struct dmi_system_id *d)
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{
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acpi_backlight_dmi = acpi_backlight_none;
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return 0;
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}
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static const struct dmi_system_id video_detect_dmi_table[] = {
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static const struct dmi_system_id video_detect_dmi_table[] = {
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/* On Samsung X360, the BIOS will set a flag (VDRV) if generic
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/* On Samsung X360, the BIOS will set a flag (VDRV) if generic
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* ACPI backlight device is used. This flag will definitively break
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* ACPI backlight device is used. This flag will definitively break
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@ -313,6 +319,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
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DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Precision 7510"),
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},
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},
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},
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},
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{
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.callback = video_detect_force_none,
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.ident = "Dell OptiPlex 9020M",
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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, "OptiPlex 9020M"),
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},
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},
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{ },
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{ },
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};
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};
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