From f98970f59019dde3aa6de116127db312c2c2bc5a Mon Sep 17 00:00:00 2001
From: Demon000 <demonsingur@gmail.com>
Date: Thu, 5 Sep 2019 22:05:51 +0200
Subject: [PATCH] sm6250-common: light: properly scale brightness range

Change-Id: I0c7b9d2644bbc67a1d404e60bbb2fcc7d8a305ec
---
 light/Light.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/light/Light.cpp b/light/Light.cpp
index 54d05b3..efc65d7 100644
--- a/light/Light.cpp
+++ b/light/Light.cpp
@@ -74,7 +74,7 @@ static uint32_t getBrightness(const LightState& state) {
 }
 
 static inline uint32_t scaleBrightness(uint32_t brightness, uint32_t maxBrightness) {
-    return brightness * maxBrightness / 0xFF;
+    return (brightness - 1) * (maxBrightness - 1) / (0xFF - 1) + 1;
 }
 
 static inline uint32_t getScaledBrightness(const LightState& state, uint32_t maxBrightness) {