dt-bindings: Add documentation for display brightness property setting

Add a boolean to specify whether to invert the display brightness value.

Change-Id: I28de475db2be036c441a6af5f9becc425eba991f
This commit is contained in:
Yuan Zhao 2020-04-30 15:54:22 +08:00 • committed by Gerrit - the friendly Code Review server
commit 24548d8623

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@ -199,6 +199,8 @@ Optional properties:
0 = default value.
- qcom,mdss-dsi-bl-max-level: Specifies the max backlight level supported by the panel.
255 = default value.
- qcom,mdss-dsi-bl-inverted-dbv: A boolean to specify whether to invert the display brightness value.
When this boolean is set, will inverted display brightness value.
- qcom,mdss-brightness-max-level: Specifies the max brightness level supported.
255 = default value.
- qcom,bl-update-flag: A string that specifies controls for backlight update of the panel.