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-rw-r--r--chromeos/audio/cras_audio_handler.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/chromeos/audio/cras_audio_handler.h b/chromeos/audio/cras_audio_handler.h
index 10c77a4..5d24973 100644
--- a/chromeos/audio/cras_audio_handler.h
+++ b/chromeos/audio/cras_audio_handler.h
@@ -128,6 +128,8 @@ class CHROMEOS_EXPORT CrasAudioHandler : public CrasAudioClient::Observer,
virtual uint64_t GetPrimaryActiveInputNode() const;
// Gets the audio devices back in |device_list|.
+ // This call can be invoked from I/O thread or UI thread because
+ // it does not need to access CrasAudioClient on DBus.
virtual void GetAudioDevices(AudioDeviceList* device_list) const;
virtual bool GetPrimaryActiveOutputDevice(AudioDevice* device) const;