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CEC: Allow no parameters with <System Audio Mode Request>.

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Bug: 18266992
Change-Id: I4399e34d1178f3d4b17b4749ca543c2bb14c0765
This commit is contained in:
Yuncheol Heo
2014-11-06 17:21:04 +09:00
parent db66e1d2b9
commit 03611473bc
1 changed files with 12 additions and 1 deletions
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13
services/core/java/com/android/server/hdmi/HdmiCecMessageValidator.java
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@@ -79,7 +79,7 @@ public final class HdmiCecMessageValidator {
addValidationInfo(Constants.MESSAGE_SET_STREAM_PATH, addValidationInfo(Constants.MESSAGE_SET_STREAM_PATH,
physicalAddressValidator, DEST_BROADCAST); physicalAddressValidator, DEST_BROADCAST);
addValidationInfo(Constants.MESSAGE_SYSTEM_AUDIO_MODE_REQUEST, addValidationInfo(Constants.MESSAGE_SYSTEM_AUDIO_MODE_REQUEST,
physicalAddressValidator, DEST_DIRECT); new SystemAudioModeRequestValidator(), DEST_DIRECT);
// Messages have no parameter. // Messages have no parameter.
FixedLengthValidator noneValidator = new FixedLengthValidator(0); FixedLengthValidator noneValidator = new FixedLengthValidator(0);
@@ -303,6 +303,17 @@ public final class HdmiCecMessageValidator {
} }
} }
private class SystemAudioModeRequestValidator extends PhysicalAddressValidator {
@Override
public int isValid(byte[] params) {
// TV can send <System Audio Mode Request> with no parameters to terminate system audio.
if (params.length == 0) {
return OK;
}
return super.isValid(params);
}
}
private class ReportPhysicalAddressValidator implements ParameterValidator { private class ReportPhysicalAddressValidator implements ParameterValidator {
@Override @Override
public int isValid(byte[] params) { public int isValid(byte[] params) {