Detect HDMI audio by switch events

If detect SW_VIDEOOUT_INSERT, assume HDMI is plugged.

diff --git a/services/core/java/com/android/server/WiredAccessoryManager.java b/services/core/java/com/android/server/WiredAccessoryManager.java
index fcda83d..b25d0bd 100644 (file)
--- a/services/core/java/com/android/server/WiredAccessoryManager.java
+++ b/services/core/java/com/android/server/WiredAccessoryManager.java
@@ -34,9 +34,11 @@ import com.android.server.input.InputManagerService.WiredAccessoryCallbacks;
 import static com.android.server.input.InputManagerService.SW_HEADPHONE_INSERT;
 import static com.android.server.input.InputManagerService.SW_MICROPHONE_INSERT;
 import static com.android.server.input.InputManagerService.SW_LINEOUT_INSERT;
+import static com.android.server.input.InputManagerService.SW_VIDEOOUT_INSERT;
 import static com.android.server.input.InputManagerService.SW_HEADPHONE_INSERT_BIT;
 import static com.android.server.input.InputManagerService.SW_MICROPHONE_INSERT_BIT;
 import static com.android.server.input.InputManagerService.SW_LINEOUT_INSERT_BIT;
+import static com.android.server.input.InputManagerService.SW_VIDEOOUT_INSERT_BIT;
 
 import java.io.File;
 import java.io.FileReader;
@@ -111,8 +113,11 @@ final class WiredAccessoryManager implements WiredAccessoryCallbacks {
             if (mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY, SW_LINEOUT_INSERT) == 1) {
                 switchValues |= SW_LINEOUT_INSERT_BIT;
             }
+            if (mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY, SW_VIDEOOUT_INSERT) == 1) {
+                switchValues |= SW_VIDEOOUT_INSERT_BIT;
+            }
             notifyWiredAccessoryChanged(0, switchValues,
-                    SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_LINEOUT_INSERT_BIT);
+                    SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_LINEOUT_INSERT_BIT | SW_VIDEOOUT_INSERT_BIT);
         }
 
         mObserver.init();
@@ -120,7 +125,7 @@ final class WiredAccessoryManager implements WiredAccessoryCallbacks {
 
     @Override
     public void notifyWiredAccessoryChanged(long whenNanos, int switchValues, int switchMask) {
-        if (LOG) Slog.v(TAG, "notifyWiredAccessoryChanged: when=" + whenNanos
+        if (LOG) Slog.i(TAG, "notifyWiredAccessoryChanged: when=" + whenNanos
                 + " bits=" + switchCodeToString(switchValues, switchMask)
                 + " mask=" + Integer.toHexString(switchMask));
 
@@ -128,7 +133,7 @@ final class WiredAccessoryManager implements WiredAccessoryCallbacks {
             int headset;
             mSwitchValues = (mSwitchValues & ~switchMask) | switchValues;
             switch (mSwitchValues &
-                (SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_LINEOUT_INSERT_BIT)) {
+                (SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_LINEOUT_INSERT_BIT | SW_VIDEOOUT_INSERT_BIT)) {
                 case 0:
                     headset = 0;
                     break;
@@ -141,6 +146,11 @@ final class WiredAccessoryManager implements WiredAccessoryCallbacks {
                     headset = BIT_LINEOUT;
                     break;
 
+                case SW_VIDEOOUT_INSERT_BIT:
+                case SW_VIDEOOUT_INSERT_BIT | SW_LINEOUT_INSERT_BIT:
+                    headset = BIT_HDMI_AUDIO;
+                    break;
+
                 case SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT:
                     headset = BIT_HEADSET;
                     break;
@@ -155,7 +165,7 @@ final class WiredAccessoryManager implements WiredAccessoryCallbacks {
             }
 
             updateLocked(NAME_H2W,
-                (mHeadsetState & ~(BIT_HEADSET | BIT_HEADSET_NO_MIC | BIT_LINEOUT)) | headset);
+                (mHeadsetState & ~(BIT_HEADSET | BIT_HEADSET_NO_MIC | BIT_LINEOUT | BIT_HDMI_AUDIO)) | headset);
         }
     }
 
@@ -285,7 +295,7 @@ final class WiredAccessoryManager implements WiredAccessoryCallbacks {
             }
 
             if (LOG) {
-                Slog.v(TAG, "headsetName: " + headsetName +
+                Slog.i(TAG, "headsetName: " + headsetName +
                         (state == 1 ? " connected" : " disconnected"));
             }
 

diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index 0a9cadf..c9079ef 100644 (file)
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -275,6 +275,9 @@ public class InputManagerService extends IInputManager.Stub
     /** Switch code: Headphone/Microphone Jack.  When set, something is inserted. */
     public static final int SW_JACK_PHYSICAL_INSERT = 0x07;
 
+    /** Switch code: Video out jack.  When set, something is inserted. */
+    public static final int SW_VIDEOOUT_INSERT = 0x08;
+
     /** Switch code: Camera lens cover. When set the lens is covered. */
     public static final int SW_CAMERA_LENS_COVER = 0x09;
 
@@ -285,8 +288,9 @@ public class InputManagerService extends IInputManager.Stub
     public static final int SW_MICROPHONE_INSERT_BIT = 1 << SW_MICROPHONE_INSERT;
     public static final int SW_LINEOUT_INSERT_BIT = 1 << SW_LINEOUT_INSERT;
     public static final int SW_JACK_PHYSICAL_INSERT_BIT = 1 << SW_JACK_PHYSICAL_INSERT;
+    public static final int SW_VIDEOOUT_INSERT_BIT = 1 << SW_VIDEOOUT_INSERT;
     public static final int SW_JACK_BITS =
-            SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_JACK_PHYSICAL_INSERT_BIT | SW_LINEOUT_INSERT_BIT;
+            SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_JACK_PHYSICAL_INSERT_BIT | SW_LINEOUT_INSERT_BIT | SW_VIDEOOUT_INSERT_BIT;
     public static final int SW_CAMERA_LENS_COVER_BIT = 1 << SW_CAMERA_LENS_COVER;
 
     /** Whether to use the dev/input/event or uevent subsystem for the audio jack. */