Android/frameworks_base
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Use -1.0f in SurfaceControl to turn off brightness

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-1.0f is sent to SurfaceControl if the brightess is equal to 0.
0 was originally used; -1.0f is being used in preparation for using floating
point brightness in the whole framework.

Test: Manual
Bug: b/139959979
Change-Id: I7d72a8c39d1c225ea9c2a2651366111df3be355d
This commit is contained in:
Fiona Campbell
2019-11-22 12:29:44 +00:00
parent af30a90e37
commit 466dc04d88
1 changed files with 6 additions and 2 deletions
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8
services/core/java/com/android/server/lights/LightsService.java
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@@ -84,8 +84,12 @@ public class LightsService extends SystemService {
if (DEBUG) {
Slog.d(TAG, "Using new setBrightness path!");
}
SurfaceControl.setDisplayBrightness(mDisplayToken,
(float) brightness / mSurfaceControlMaximumBrightness);
if (brightness == 0) {
SurfaceControl.setDisplayBrightness(mDisplayToken, -1.0f);
} else {
SurfaceControl.setDisplayBrightness(mDisplayToken,
(float) (brightness - 1) / (mSurfaceControlMaximumBrightness - 1));
}
} else {
int color = brightness & 0x000000ff;
color = 0xff000000 | (color << 16) | (color << 8) | color;