audiooutputalsa.cpp:321: warning: the address of 'params' will always evaluate as 'true' audiooutputalsa.cpp:322: warning: the address of 'swparams' will always evaluate as 'true' audiooutputalsa.cpp: In member function 'virtual int AudioOutputALSA::GetVolumeChannel(int)': audiooutputalsa.cpp:489: warning: the address of 'sid' will always evaluate as 'true' audiooutputalsa.cpp: In member function 'void AudioOutputALSA::SetCurrentVolume(QString, int, int)': audiooutputalsa.cpp:536: warning: the address of 'sid' will always evaluate as 'true'