get_enabled_channels
return get_enabled_channels(controller, (multi_channel_enable*)arg);
status = get_enabled_channels(cookie, &enable);
case B_MULTI_GET_ENABLED_CHANNELS: return get_enabled_channels(cookie, arg);
case B_MULTI_GET_ENABLED_CHANNELS: return get_enabled_channels(cookie, arg);
status = get_enabled_channels(fDevice, &enable);
status_t get_enabled_channels(int device, multi_channel_enable* enable);