diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hardware_legacy/AudioHardwareBase.h | 1 | ||||
| -rw-r--r-- | include/hardware_legacy/AudioHardwareInterface.h | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/hardware_legacy/AudioHardwareBase.h b/include/hardware_legacy/AudioHardwareBase.h index 3dec357..eac40dc 100644 --- a/include/hardware_legacy/AudioHardwareBase.h +++ b/include/hardware_legacy/AudioHardwareBase.h @@ -46,6 +46,7 @@ public: 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); diff --git a/include/hardware_legacy/AudioHardwareInterface.h b/include/hardware_legacy/AudioHardwareInterface.h index c781218..31d6b99 100644 --- a/include/hardware_legacy/AudioHardwareInterface.h +++ b/include/hardware_legacy/AudioHardwareInterface.h @@ -210,6 +210,14 @@ public: 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. |