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On some new laptop designs a new Nvidia specific WMI interface is present which gives info about panel brightness control and may allow controlling the brightness through this interface when the embedded controller is used for brightness control. When this WMI interface is present and indicates that the EC is used, then this interface should be used for brightness control. Changes in v2: - Use the new shared nvidia-wmi-ec-backlight.h header for the WMI firmware API definitions - ACPI_VIDEO can now be enabled on non X86 too, adjust the Kconfig changes to match this. Changes in v3: - Use WMI_BRIGHTNESS_GUID define Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Daniel Dadap <ddadap@nvidia.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
16 lines
567 B
Plaintext
16 lines
567 B
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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config DRM_GMA500
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tristate "Intel GMA500/600/3600/3650 KMS Framebuffer"
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depends on DRM && PCI && X86 && MMU
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select DRM_KMS_HELPER
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# GMA500 depends on ACPI_VIDEO when ACPI is enabled, just like i915
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select ACPI_VIDEO if ACPI
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select BACKLIGHT_CLASS_DEVICE if ACPI
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select INPUT if ACPI
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select X86_PLATFORM_DEVICES if ACPI
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select ACPI_WMI if ACPI
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help
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Say yes for an experimental 2D KMS framebuffer driver for the
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Intel GMA500 (Poulsbo), Intel GMA600 (Moorestown/Oak Trail) and
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Intel GMA3600/3650 (Cedar Trail).
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