--- linux/drivers/media/video/cx88/cx88-blackbird.c 2008-09-16 17:05:51.000000000 +0200 +++ linux/drivers/media/video/cx88/cx88-blackbird.c 2008-09-16 16:58:57.000000000 +0200 @@ -1177,6 +1177,10 @@ static unsigned int mpeg_poll(struct file *file, struct poll_table_struct *wait) { struct cx8802_fh *fh = file->private_data; + struct cx8802_dev *dev = fh->dev; + + if (!dev->mpeg_active) + blackbird_start_codec(file, fh); return videobuf_poll_stream(file, &fh->mpegq, wait); }