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CEC: Revisit the behavior of HDMI_SYSTEM_AUDIO_ENABLED

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Currently the system setting, HDMI_SYSTEM_AUDIO_ENABLED, is used to
store the latest system audio mode status so that TV can keep this
status over reboot. But because the name is a little confusing and the
behavior isn't intuitive, it is likely to use this in a wrong way.
This change renames this setting to HDMI_SYSTEM_AUDIO_CONTROL_ENABLED
and tweak the purpose of it. Now, it will act more like a switch for
System Audio Control feature, so user can disable or enable this feature
entirely. With this way, implementation of audio output option will
also become easier.

Bug: 31449672
Test: Tested on archer
Change-Id: Ice8717135272d4b86665a3452bfe7527c0d6c08b
(cherry picked from commit 7b7aa8fb31ccf0cd3f36162a52f080263dd89e77)
This commit is contained in:
Donghyun Cho
2016-12-27 18:31:09 +09:00
parent ccdc6b82b8
commit c1fa9afbcd
9 changed files with 77 additions and 43 deletions
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10
core/java/android/provider/Settings.java
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@@ -7654,12 +7654,14 @@ public final class Settings {
public static final String HDMI_CONTROL_ENABLED = "hdmi_control_enabled";
/**
* Whether HDMI system audio is enabled. If enabled, TV internal speaker is muted,
* and the output is redirected to AV Receiver connected via
* {@Global#HDMI_SYSTEM_AUDIO_OUTPUT}.
* Whether HDMI System Audio Control feature is enabled. If enabled, TV will try to turn on
* system audio mode if there's a connected CEC-enabled AV Receiver. Then audio stream will
* be played on AVR instead of TV spaeker. If disabled, the system audio mode will never be
* activated.
* @hide
*/
public static final String HDMI_SYSTEM_AUDIO_ENABLED = "hdmi_system_audio_enabled";
public static final String HDMI_SYSTEM_AUDIO_CONTROL_ENABLED =
"hdmi_system_audio_control_enabled";
/**
* Whether TV will automatically turn on upon reception of the CEC command