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CEC: Skip routing control/internal source selection conditionally

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This is necessary for TV woken up by <Text/Image View On> to override
initial TV source selection/routing control, since the input change
will immediately come from external device.

Bug: 17189114
Change-Id: I4aa1ac31bc7f6ab554e29a9e6065e534e15abd58
This commit is contained in:
Jinsuk Kim
2014-08-22 09:07:40 +09:00
parent e9f6ed3b11
commit d530719b16
1 changed files with 14 additions and 6 deletions
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20
services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java
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@@ -112,6 +112,10 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
private final HdmiCecStandbyModeHandler mStandbyHandler;
// If true, do not do routing control/send active source for internal source.
// Set to true when the device was woken up by <Text/Image View On>.
private boolean mSkipRoutingControl;
// Set of physical addresses of CEC switches on the CEC bus. Managed independently from
// other CEC devices since they might not have logical address.
private final ArraySet<Integer> mCecSwitches = new ArraySet<Integer>();
@@ -134,6 +138,7 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
mService.sendCecCommand(HdmiCecMessageBuilder.buildDeviceVendorIdCommand(
mAddress, mService.getVendorId()));
mCecSwitches.add(mService.getPhysicalAddress()); // TV is a CEC switch too.
mSkipRoutingControl = (reason == HdmiControlService.INITIATED_BY_WAKE_UP_MESSAGE);
launchRoutingControl(reason != HdmiControlService.INITIATED_BY_ENABLE_CEC &&
reason != HdmiControlService.INITIATED_BY_BOOT_UP);
launchDeviceDiscovery();
@@ -207,7 +212,10 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
// Seq #18
if (mService.isControlEnabled() && mActiveSource.logicalAddress != mAddress) {
updateActiveSource(mAddress, mService.getPhysicalAddress());
// TODO: Check if this comes from <Text/Image View On> - if true, do nothing.
if (mSkipRoutingControl) {
mSkipRoutingControl = false;
return;
}
HdmiCecMessage activeSource = HdmiCecMessageBuilder.buildActiveSource(
mAddress, mService.getPhysicalAddress());
mService.sendCecCommand(activeSource);
@@ -304,11 +312,13 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
invokeCallback(callback, HdmiControlManager.RESULT_INCORRECT_MODE);
return;
}
// TODO: Return immediately if the operation is triggered by <Text/Image View On>
// and this is the first notification about the active input after power-on
// (switch to HDMI didn't happen so far but is expected to happen soon).
int oldPath = getActivePortId() != Constants.INVALID_PORT_ID
? mService.portIdToPath(getActivePortId()) : getDeviceInfo().getPhysicalAddress();
setActivePath(oldPath);
if (mSkipRoutingControl) {
mSkipRoutingControl = false;
return;
}
int newPath = mService.portIdToPath(portId);
HdmiCecMessage routingChange =
HdmiCecMessageBuilder.buildRoutingChange(mAddress, oldPath, newPath);
@@ -566,8 +576,6 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice {
if (mService.isPowerStandbyOrTransient() && mAutoWakeup) {
mService.wakeUp();
}
// TODO: Connect to Hardware input manager to invoke TV App with the appropriate channel
// that represents the source device.
return true;
}