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36 lines
1.3 KiB
36 lines
1.3 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/leds/backlight/common.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Common backlight properties |
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maintainers: |
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- Lee Jones <[email protected]> |
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- Daniel Thompson <[email protected]> |
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- Jingoo Han <[email protected]> |
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description: |
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Backlight devices provide backlight for different types of graphical |
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displays. They are typically but not necessarily implemented using a white |
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LED powered by a boost converter. |
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properties: |
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default-brightness: |
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description: |
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The default brightness that should be applied to the LED by the operating |
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system on start-up. The brightness should not exceed the brightness the |
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LED can provide. |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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max-brightness: |
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description: |
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Normally the maximum brightness is determined by the hardware and this |
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property is not required. This property is used to put a software limit |
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on the brightness apart from what the driver says, as it could happen |
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that a LED can be made so bright that it gets damaged or causes damage |
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due to restrictions in a specific system, such as mounting conditions. |
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$ref: /schemas/types.yaml#/definitions/uint32 |
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additionalProperties: true
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