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Commit 20e68e58 authored by David Zhao's avatar David Zhao Committed by Automerger Merge Worker
Browse files

Merge "Update TV Input HAL documentation for device IDs" into udc-dev am: 1a6b4a76 

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/23249938



Change-Id: I9e985c35b14227b41762f9a3a5a92085c4a18741
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 9e329957 1a6b4a76

tv/input/aidl/android/hardware/tv/input/ITvInputCallback.aidl

+8 −1
Original line number Diff line number Diff line
@@ -30,7 +30,14 @@ interface ITvInputCallback { 
    void notify(in TvInputEvent event);

    /**

     * Notifies the client that an TV message event has occurred. For possible event types,

     * check TvMessageEventType.

     * check {@link android.hardware.tv.input.TvMessageEventType}.

     *

     * The first message in a list of messages contained in a

     * {@link android.hardware.tv.input.TvMessageEvent} should always have a

     * {@link android.hardware.tv.input.TvMessage#subType} of "device_id",

     * otherwise the event is discarded. When the subType of a message is "device_id", the ID of

     * the device that sent the message should be contained in

     * {@link android.hardware.tv.input.TvMessage#groupId}

     *

     * @param event Event passed to the client.

     */

tv/input/aidl/android/hardware/tv/input/TvMessage.aidl

+10 −2
Original line number Diff line number Diff line
@@ -23,8 +23,13 @@ parcelable TvMessage { 
     */

    const long NO_GROUP_ID = -1;

    /**

     * Extended data type, like “ATSC A/336 Watermark”, “ATSC_CC”, etc. This is opaque

     * to the framework.

     * Extended data type, like “ATSC A/336 Watermark”, “ATSC_CC”, etc. This type is opaque to the

     * framework except when the subtype is "device_id". If the subtype is "device_id", the ID of

     * device that sent the message should be contained in {@link #groupId}.

     *

     * The first message in a list of messages contained in

     * {@link android.hardware.tv.input.TvMessageEvent} should always have the subtype "device_id",

     * otherwise the event is discarded.

     */

    String subType;

    /**
@@ -32,6 +37,9 @@ parcelable TvMessage { 
     * headers and bodies of the same event. For messages that do not have a group, this value

     * should be -1.

     *

     * If {@link #subType} is "device_id", this value should contain the ID of the device that sent

     * this message.

     *

     * As -1 is a reserved value, -1 should not be used as a valid groupId.

     */

    long groupId;