RIGHT_PORT
page->audio.port[RIGHT_PORT].channels =
arg->vol[RIGHT_PORT] =
page->audio.port[RIGHT_PORT].volume;
page->audio.port[RIGHT_PORT].channels = CHANNEL_1;
page->audio.port[RIGHT_PORT].volume =
arg->vol[RIGHT_PORT];
page->audio.port[RIGHT_PORT].channels =
page->audio.port[RIGHT_PORT].channels =
page->audio.port[RIGHT_PORT].channels = 0;
page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL;
page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL;