+ luc->attr.overwrite = chan->attr.overwrite;
+ luc->attr.subbuf_size = chan->attr.subbuf_size;
+ luc->attr.num_subbuf = chan->attr.num_subbuf;
+ luc->attr.switch_timer_interval = chan->attr.switch_timer_interval;
+ luc->attr.read_timer_interval = chan->attr.read_timer_interval;
+ luc->attr.output = chan->attr.output;