'List of available input sources.'

@property
def source_list(self):

    if self._coordinator:
        return self._coordinator.source_list
    model_name = self._speaker_info['model_name']
    sources = []
    if self._favorite_sources:
        for fav in self._favorite_sources:
            sources.append(fav['title'])
    if ('PLAY:5' in model_name):
        sources += [SUPPORT_SOURCE_LINEIN]
    elif ('PLAYBAR' in model_name):
        sources += [SUPPORT_SOURCE_LINEIN, SUPPORT_SOURCE_TV]
    return sources
