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Commit c854c95b authored by Jinsuk Kim's avatar Jinsuk Kim
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CEC: Comment for clarification of <Text View On> 

Added a comment to clarify how the service is designed to handle
CEC commands <Text View On>/<Image View On>.

Bug: 24690166
Change-Id: Iaa1813b3ded76e8525141555d2aaff6dfb67888d
(cherry picked from commit 6667797016a28551202b40067fe90512185a7a61)
parent c2c17c4e

services/core/java/com/android/server/hdmi/HdmiCecLocalDeviceTv.java

+8 −0
Original line number Diff line number Diff line
@@ -732,6 +732,14 @@ final class HdmiCecLocalDeviceTv extends HdmiCecLocalDevice { 
    @ServiceThreadOnly

    protected boolean handleTextViewOn(HdmiCecMessage message) {

        assertRunOnServiceThread();



        // Note that <Text View On> (and <Image View On>) command won't be handled here in

        // most cases. A dedicated microcontroller should be in charge while Android system

        // is in sleep mode, and the command need not be passed up to this service.

        // The only situation where the command reaches this handler is that sleep mode is

        // implemented in such a way that Android system is not really put to standby mode

        // but only the display is set to blank. Then the command leads to the effect of

        // turning on the display by the invocation of PowerManager.wakeUp().

        if (mService.isPowerStandbyOrTransient() && mAutoWakeup) {

            mService.wakeUp();

        }