surfaceflinger: call into hardware composer to blank screen
Call into the new HWC blank operation to blank or unblank the screen.
Legacy systems may have already blanked the screen via early suspend,
and can choose to not implement the blank operation in their hardware
composer implementation.
Change-Id: Ib403c8c0e36367a2cfef3e1d124872fcfeb9e7cb
diff --git a/services/surfaceflinger/DisplayHardware.cpp b/services/surfaceflinger/DisplayHardware.cpp
index eac9e04..eb64c9f 100644
--- a/services/surfaceflinger/DisplayHardware.cpp
+++ b/services/surfaceflinger/DisplayHardware.cpp
@@ -434,6 +434,9 @@
void DisplayHardware::acquireScreen() const
{
+ if (mHwc->initCheck() == NO_ERROR) {
+ mHwc->acquire();
+ }
DisplayHardwareBase::acquireScreen();
}