2 files changed, 12 insertions, 16 deletions
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.cpp b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
index c3b2159..185dab2 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.cpp
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.cpp
@@ -759,19 +759,18 @@ status_t HWComposer::commit() {
     return (status_t)err;
 }
 
-status_t HWComposer::release(int disp) {
+status_t HWComposer::setPowerMode(int disp, int mode) {
     LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE);
     if (mHwc) {
-        eventControl(disp, HWC_EVENT_VSYNC, 0);
-        return (status_t)mHwc->blank(mHwc, disp, 1);
-    }
-    return NO_ERROR;
-}
-
-status_t HWComposer::acquire(int disp) {
-    LOG_FATAL_IF(disp >= VIRTUAL_DISPLAY_ID_BASE);
-    if (mHwc) {
-        return (status_t)mHwc->blank(mHwc, disp, 0);
+        if (mode == HWC_POWER_MODE_OFF) {
+            eventControl(disp, HWC_EVENT_VSYNC, 0);
+        }
+        if (hwcHasApiVersion(mHwc, HWC_DEVICE_API_VERSION_1_4)) {
+            return (status_t)mHwc->setPowerMode(mHwc, disp, mode);
+        } else {
+            return (status_t)mHwc->blank(mHwc, disp,
+                    mode == HWC_POWER_MODE_OFF ? 1 : 0);
+        }
     }
     return NO_ERROR;
 }
diff --git a/services/surfaceflinger/DisplayHardware/HWComposer.h b/services/surfaceflinger/DisplayHardware/HWComposer.h
index 2f92672..c62b924 100644
--- a/services/surfaceflinger/DisplayHardware/HWComposer.h
+++ b/services/surfaceflinger/DisplayHardware/HWComposer.h
@@ -97,11 +97,8 @@ public:
     // commits the list
     status_t commit();
 
-    // release hardware resources and blank screen
-    status_t release(int disp);
-
-    // acquire hardware resources and unblank screen
-    status_t acquire(int disp);
+    // set power mode
+    status_t setPowerMode(int disp, int mode);
 
     // reset state when an external, non-virtual display is disconnected
     void disconnectDisplay(int disp);