commit 248ec3da8be61befd19f6c01019a4243edc8c319
author Colin Cross <ccross@android.com> Thu Oct 06 16:53:00 2016 -0700
committer Colin Cross <ccross@android.com> Fri Oct 07 13:10:07 2016 -0700
tree eecf9927862e048a6135fe505ba0144cac3b65c1
parent 867e1e3043c230d7a19027bcad5bd66114f06a4d

Fix enum switch warnings

hardware/libhardware/include was being included with -isystem, which
hides warnings.  -Wswitch requires that all cases in a switch statement
on an enum be enum values.  For enums being used as bit flags, cast the
enum to an int.

Bug: 32018017
Test: m -j
Change-Id: Idb430c451d017bb7ec61a7119d6abd87b6dcdc87

include/hardware/hwcomposer2.h

diff --git a/include/hardware/hwcomposer2.h b/include/hardware/hwcomposer2.h
index 6973603..f4f6093 100644
--- a/include/hardware/hwcomposer2.h
+++ b/include/hardware/hwcomposer2.h
@@ -17,6 +17,8 @@
 #ifndef ANDROID_HARDWARE_HWCOMPOSER2_H
 #define ANDROID_HARDWARE_HWCOMPOSER2_H
 
+#include <sys/cdefs.h>
+
 #include <hardware/hardware.h>
 
 #include "hwcomposer_defs.h"
@@ -360,7 +362,7 @@
 
 static inline const char* getDisplayRequestName(
         hwc2_display_request_t request) {
-    switch (request) {
+    switch (__BIONIC_CAST(static_cast, int, request)) {
         case 0: return "None";
         case HWC2_DISPLAY_REQUEST_FLIP_CLIENT_TARGET: return "FlipClientTarget";
         case HWC2_DISPLAY_REQUEST_WRITE_CLIENT_TARGET_TO_OUTPUT:
@@ -459,7 +461,7 @@
 }
 
 static inline const char* getLayerRequestName(hwc2_layer_request_t request) {
-    switch (request) {
+    switch (__BIONIC_CAST(static_cast, int, request)) {
         case 0: return "None";
         case HWC2_LAYER_REQUEST_CLEAR_CLIENT_TARGET: return "ClearClientTarget";
         default: return "Unknown";
@@ -477,7 +479,7 @@
 }
 
 static inline const char* getTransformName(hwc_transform_t transform) {
-    switch (transform) {
+    switch (__BIONIC_CAST(static_cast, int, transform)) {
         case 0: return "None";
         case HWC_TRANSFORM_FLIP_H: return "FlipH";
         case HWC_TRANSFORM_FLIP_V: return "FlipV";