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Commit ef31ad01 authored by Fiona Campbell's avatar Fiona Campbell Committed by Automerger Merge Worker
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Merge "Remove precision loss on brightness slider." into rvc-dev am: b204ade3 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11595231

Change-Id: I9d88c34d63cb3215b7534089a2b93647fd3b6d09
parents a25804cb b204ade3

packages/SystemUI/src/com/android/systemui/settings/BrightnessController.java

+3 −7
Original line number Diff line number Diff line
@@ -443,14 +443,10 @@ public class BrightnessController implements ToggleSlider.Listener { 
            max = mMaximumBacklight;

        }

        // convertGammaToLinearFloat returns 0-1

        if (BrightnessSynchronizer.brightnessFloatToInt(mContext, brightnessValue)

                == BrightnessSynchronizer.brightnessFloatToInt(mContext,

        if (BrightnessSynchronizer.floatEquals(brightnessValue,

                convertGammaToLinearFloat(mControl.getValue(), min, max))) {

            // If we have more resolution on the slider than we do in the actual setting, then

            // multiple slider positions will map to the same setting value. Thus, if we see a

            // setting value here that maps to the current slider position, we don't bother to

            // calculate the new slider position since it may differ and look like a brightness

            // change to the user even though it isn't one.

            // If the value in the slider is equal to the value on the current brightness

            // then the slider does not need to animate, since the brightness will not change.

            return;

        }

        // Returns GAMMA_SPACE_MIN - GAMMA_SPACE_MAX