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Commit ca7a9ef0 authored by Jeff Brown's avatar Jeff Brown Committed by Android (Google) Code Review
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Merge "Adjust auto-brightness time constants." into jb-mr1-dev

parents 3fee5c6b 5f47ba4d

services/java/com/android/server/power/DisplayPowerController.java

+3 −3
Original line number Diff line number Diff line
@@ -100,15 +100,15 @@ final class DisplayPowerController { 


    // Brightness animation ramp rate in brightness units per second.

    private static final int BRIGHTNESS_RAMP_RATE_FAST = 200;

    private static final int BRIGHTNESS_RAMP_RATE_SLOW = 50;

    private static final int BRIGHTNESS_RAMP_RATE_SLOW = 40;



    // Filter time constant in milliseconds for computing a moving

    // average of light samples.  Different constants are used

    // to calculate the average light level when adapting to brighter or

    // dimmer environments.

    // This parameter only controls the filtering of light samples.

    private static final long BRIGHTENING_LIGHT_TIME_CONSTANT = 500;

    private static final long DIMMING_LIGHT_TIME_CONSTANT = 2000;

    private static final long BRIGHTENING_LIGHT_TIME_CONSTANT = 600;

    private static final long DIMMING_LIGHT_TIME_CONSTANT = 4000;



    // Stability requirements in milliseconds for accepting a new brightness

    // level.  This is used for debouncing the light sensor.  Different constants