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am c9ac3f51: Merge "DO NOT MERGE: UsbService: Make sure the USB accessory function is disabled when we disconnect" into gingerbread

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* commit 'c9ac3f5183be3f124f34ed49ac5766e0ba1aff77':
  DO NOT MERGE: UsbService: Make sure the USB accessory function is disabled when we disconnect
This commit is contained in:
Mike Lockwood
2011-03-02 18:32:08 -08:00
committed by Android Git Automerger
parent 3d79f1ce84 c9ac3f5183
commit e91e5f6e9d
1 changed files with 20 additions and 29 deletions
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49
services/java/com/android/server/usb/UsbService.java
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@ -92,8 +92,8 @@ public class UsbService extends IUsbManager.Stub {
private boolean mSystemReady;
private UsbAccessory mCurrentAccessory;
// functions to restore after exiting accessory mode
private final ArrayList<String> mAccessoryRestoreFunctions = new ArrayList<String>();
// USB functions that are enabled by default, to restore after exiting accessory mode
private final ArrayList<String> mDefaultFunctions = new ArrayList<String>();
private final Context mContext;
private final Object mLock = new Object();
@ -107,20 +107,6 @@ public class UsbService extends IUsbManager.Stub {
boolean enteringAccessoryMode =
(mHasUsbAccessory && enabled && UsbManager.USB_FUNCTION_ACCESSORY.equals(function));
if (enteringAccessoryMode) {
// keep a list of functions to reenable after exiting accessory mode
mAccessoryRestoreFunctions.clear();
int count = mEnabledFunctions.size();
for (int i = 0; i < count; i++) {
String f = mEnabledFunctions.get(i);
// RNDIS should not be restored and adb is handled automatically
if (!UsbManager.USB_FUNCTION_RNDIS.equals(f) &&
!UsbManager.USB_FUNCTION_ADB.equals(f) &&
!UsbManager.USB_FUNCTION_ACCESSORY.equals(f)) {
mAccessoryRestoreFunctions.add(f);
}
}
}
if (enabled) {
if (!mEnabledFunctions.contains(function)) {
mEnabledFunctions.add(function);
@ -246,6 +232,11 @@ public class UsbService extends IUsbManager.Stub {
String functionName = files[i].getName();
if (value == 1) {
mEnabledFunctions.add(functionName);
// adb is enabled/disabled automatically by the adbd daemon,
// so don't treat it as a default function
if (!UsbManager.USB_FUNCTION_ADB.equals(functionName)) {
mDefaultFunctions.add(functionName);
}
} else {
mDisabledFunctions.add(functionName);
}
@ -338,29 +329,24 @@ public class UsbService extends IUsbManager.Stub {
switch (msg.what) {
case MSG_UPDATE_STATE:
if (mConnected != mLastConnected || mConfiguration != mLastConfiguration) {
if (mConnected == 0 && mCurrentAccessory != null) {
// turn off accessory mode when we are disconnected
if (mConnected == 0) {
// make sure accessory mode is off, and restore default functions
if (UsbManager.setFunctionEnabled(
UsbManager.USB_FUNCTION_ACCESSORY, false)) {
Log.d(TAG, "exited USB accessory mode");
// restore previously enabled functions
for (String function : mAccessoryRestoreFunctions) {
int count = mDefaultFunctions.size();
for (int i = 0; i < count; i++) {
String function = mDefaultFunctions.get(i);
if (UsbManager.setFunctionEnabled(function, true)) {
Log.e(TAG, "could not reenable function " + function);
}
}
mAccessoryRestoreFunctions.clear();
}
if (mCurrentAccessory != null) {
mDeviceManager.accessoryDetached(mCurrentAccessory);
mCurrentAccessory = null;
// this will cause an immediate reset of the USB bus,
// so there is no point in sending the
// function disabled broadcast.
return;
} else {
Log.e(TAG, "could not disable USB_FUNCTION_ACCESSORY");
}
}
@ -416,8 +402,13 @@ public class UsbService extends IUsbManager.Stub {
pw.print(mDisabledFunctions.get(i) + " ");
}
pw.println("");
pw.print(" Default Functions: ");
for (int i = 0; i < mDefaultFunctions.size(); i++) {
pw.print(mDefaultFunctions.get(i) + " ");
}
pw.println("");
pw.println(" mConnected: " + mConnected + ", mConfiguration: " + mConfiguration);
pw.println(" mCurrentAccessory: " + mCurrentAccessory);
pw.println(" mCurrentAccessory: " + mCurrentAccessory);
mDeviceManager.dump(fd, pw);
}