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/frameworks/base/services/core/java/com/android/server/display/
DBrightnessMappingStrategy.java331 float prevLux = lux[idx]; in smoothCurve() local
337 float maxBrightness = prevBrightness * permissibleRatio(currLux, prevLux); in smoothCurve()
343 prevLux = currLux; in smoothCurve()
348 prevLux = lux[idx]; in smoothCurve()
353 float minBrightness = prevBrightness * permissibleRatio(currLux, prevLux); in smoothCurve()
359 prevLux = currLux; in smoothCurve()
368 private float permissibleRatio(float currLux, float prevLux) { in permissibleRatio() argument
371 - MathUtils.log(prevLux + LUX_GRAD_SMOOTHING))); in permissibleRatio()