AHAL: support volume control for USB audio HAL.
Use mixer control to support master mute, master volume and hardware
volume for USB audio HAL.
Bug: 266216550
Test: atest VtsHalAudioCoreTargetTest
Change-Id: Iad544ba517cbfc778ebdf96dd161944886383b73
diff --git a/audio/aidl/default/Module.cpp b/audio/aidl/default/Module.cpp
index 5440b8d..b546597 100644
--- a/audio/aidl/default/Module.cpp
+++ b/audio/aidl/default/Module.cpp
@@ -457,6 +457,7 @@
connectedPort.profiles = connectedProfilesIt->second;
}
ports.push_back(connectedPort);
+ onExternalDeviceConnectionChanged(connectedPort, true /*connected*/);
*_aidl_return = std::move(connectedPort);
std::vector<AudioRoute> newRoutes;
@@ -510,6 +511,7 @@
<< configIt->id;
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
}
+ onExternalDeviceConnectionChanged(*portIt, false /*connected*/);
ports.erase(portIt);
mConnectedDevicePorts.erase(in_portId);
LOG(DEBUG) << __func__ << ": connected device port " << in_portId << " released";
@@ -980,8 +982,17 @@
ndk::ScopedAStatus Module::setMasterMute(bool in_mute) {
LOG(DEBUG) << __func__ << ": " << in_mute;
- mMasterMute = in_mute;
- return ndk::ScopedAStatus::ok();
+ auto result = mDebug.simulateDeviceConnections ? ndk::ScopedAStatus::ok()
+ : onMasterMuteChanged(in_mute);
+ if (result.isOk()) {
+ mMasterMute = in_mute;
+ } else {
+ LOG(ERROR) << __func__ << ": failed calling onMasterMuteChanged(" << in_mute
+ << "), error=" << result;
+ // Reset master mute if it failed.
+ onMasterMuteChanged(mMasterMute);
+ }
+ return std::move(result);
}
ndk::ScopedAStatus Module::getMasterVolume(float* _aidl_return) {
@@ -993,8 +1004,17 @@
ndk::ScopedAStatus Module::setMasterVolume(float in_volume) {
LOG(DEBUG) << __func__ << ": " << in_volume;
if (in_volume >= 0.0f && in_volume <= 1.0f) {
- mMasterVolume = in_volume;
- return ndk::ScopedAStatus::ok();
+ auto result = mDebug.simulateDeviceConnections ? ndk::ScopedAStatus::ok()
+ : onMasterVolumeChanged(in_volume);
+ if (result.isOk()) {
+ mMasterVolume = in_volume;
+ } else {
+ // Reset master volume if it failed.
+ LOG(ERROR) << __func__ << ": failed calling onMasterVolumeChanged(" << in_volume
+ << "), error=" << result;
+ onMasterVolumeChanged(mMasterVolume);
+ }
+ return std::move(result);
}
LOG(ERROR) << __func__ << ": invalid master volume value: " << in_volume;
return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
@@ -1262,4 +1282,20 @@
return ndk::ScopedAStatus::ok();
}
+void Module::onExternalDeviceConnectionChanged(
+ const ::aidl::android::media::audio::common::AudioPort& audioPort __unused,
+ bool connected __unused) {
+ LOG(DEBUG) << __func__ << ": do nothing and return";
+}
+
+ndk::ScopedAStatus Module::onMasterMuteChanged(bool mute __unused) {
+ LOG(VERBOSE) << __func__ << ": do nothing and return ok";
+ return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Module::onMasterVolumeChanged(float volume __unused) {
+ LOG(VERBOSE) << __func__ << ": do nothing and return ok";
+ return ndk::ScopedAStatus::ok();
+}
+
} // namespace aidl::android::hardware::audio::core