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Commit 7c605f65 authored by Nadav Bar's avatar Nadav Bar
Browse files

AudioPolicy: enable phone apps to mute VOICE_CALL stream 

This change enables an app that has the MODIFY_PHONE_STATE
permission to mute the VOICE_CALL stream.
The change adds specific handling in  AudioPolicyManager
for the case in which volume index is 0 and stream type is VOICE call.
The permission check is done in the AudioService Java code for the
calling process.

Bug: 71017199
Fixes: 71017199
Test: Tested manually
Change-Id: Ibbf3b6948a4384a963d00347ebd04ccf6d56ebd5
parent 49f36ba3

services/audiopolicy/managerdefault/AudioPolicyManager.cpp

+4 −1
Original line number Diff line number Diff line
@@ -2123,7 +2123,10 @@ status_t AudioPolicyManager::setStreamVolumeIndex(audio_stream_type_t stream, 
                                                  audio_devices_t device)

{



    if ((index < mVolumeCurves->getVolumeIndexMin(stream)) ||

    // VOICE_CALL stream has minVolumeIndex > 0  but can be muted directly by an

    // app that has MODIFY_PHONE_STATE permission.

    if (((index < mVolumeCurves->getVolumeIndexMin(stream)) &&

            !(stream == AUDIO_STREAM_VOICE_CALL && index == 0)) ||

            (index > mVolumeCurves->getVolumeIndexMax(stream))) {

        return BAD_VALUE;

    }