Add an implementation of the new get_master_volume method to bridge from the new
C only audio HAL to the old C++ legacy audio HAL.
Change-Id: Ib66bdcd3bee50949047e7ad51388e15491a71724
return 320;
}
+status_t AudioHardwareBase::getMasterVolume(float *volume)
+{
+ return INVALID_OPERATION;
+}
+
status_t AudioHardwareBase::dumpState(int fd, const Vector<String16>& args)
{
const size_t SIZE = 256;
return ladev->hwif->setMasterVolume(volume);
}
+static int adev_get_master_volume(struct audio_hw_device *dev, float* volume)
+{
+ struct legacy_audio_device *ladev = to_ladev(dev);
+ return ladev->hwif->getMasterVolume(volume);
+}
+
static int adev_set_mode(struct audio_hw_device *dev, int mode)
{
struct legacy_audio_device *ladev = to_ladev(dev);
ladev->device.init_check = adev_init_check;
ladev->device.set_voice_volume = adev_set_voice_volume;
ladev->device.set_master_volume = adev_set_master_volume;
+ ladev->device.get_master_volume = adev_get_master_volume;
ladev->device.set_mode = adev_set_mode;
ladev->device.set_mic_mute = adev_set_mic_mute;
ladev->device.get_mic_mute = adev_get_mic_mute;
virtual String8 getParameters(const String8& keys);
virtual size_t getInputBufferSize(uint32_t sampleRate, int format, int channelCount);
+ virtual status_t getMasterVolume(float *volume);
/**This method dumps the state of the audio hardware */
virtual status_t dumpState(int fd, const Vector<String16>& args);
virtual status_t setMasterVolume(float volume) = 0;
/**
+ * Get the current master volume value for the HAL, if the HAL supports
+ * master volume control. AudioFlinger will query this value from the
+ * primary audio HAL when the service starts and use the value for setting
+ * the initial master volume across all HALs.
+ */
+ virtual status_t getMasterVolume(float *volume) = 0;
+
+ /**
* setMode is called when the audio mode changes. NORMAL mode is for
* standard audio playback, RINGTONE when a ringtone is playing, and IN_CALL
* when a call is in progress.