Merge "Adjust auto-brightness time constants." into jb-mr1-dev

This commit is contained in:
Jeff Brown
2012-08-20 15:09:41 -07:00
committed by Android (Google) Code Review

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@@ -100,15 +100,15 @@ final class DisplayPowerController {
// Brightness animation ramp rate in brightness units per second. // 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_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 // Filter time constant in milliseconds for computing a moving
// average of light samples. Different constants are used // average of light samples. Different constants are used
// to calculate the average light level when adapting to brighter or // to calculate the average light level when adapting to brighter or
// dimmer environments. // dimmer environments.
// This parameter only controls the filtering of light samples. // This parameter only controls the filtering of light samples.
private static final long BRIGHTENING_LIGHT_TIME_CONSTANT = 500; private static final long BRIGHTENING_LIGHT_TIME_CONSTANT = 600;
private static final long DIMMING_LIGHT_TIME_CONSTANT = 2000; private static final long DIMMING_LIGHT_TIME_CONSTANT = 4000;
// Stability requirements in milliseconds for accepting a new brightness // Stability requirements in milliseconds for accepting a new brightness
// level. This is used for debouncing the light sensor. Different constants // level. This is used for debouncing the light sensor. Different constants