279 static int cx81801_open(struct tty_struct *tty)  in cx81801_open()  argument
290 	tty->disc_data = cx20442_codec;  in cx81801_open()
292 	ret = v253_ops.open(tty);  in cx81801_open()
295 		tty->disc_data = NULL;  in cx81801_open()
301 static void cx81801_close(struct tty_struct *tty)  in cx81801_close()  argument
303 	struct snd_soc_codec *codec = tty->disc_data;  in cx81801_close()
314 	v253_ops.close(tty);  in cx81801_close()
331 static int cx81801_hangup(struct tty_struct *tty)  in cx81801_hangup()  argument
333 	cx81801_close(tty);  in cx81801_hangup()
338 static void cx81801_receive(struct tty_struct *tty,  in cx81801_receive()  argument
341 	struct snd_soc_codec *codec = tty->disc_data;  in cx81801_receive()
354 		v253_ops.receive_buf(tty, cp, fp, count);  in cx81801_receive()
368 	v253_ops.receive_buf(tty, cp, fp, count);  in cx81801_receive()
391 static void cx81801_wakeup(struct tty_struct *tty)  in cx81801_wakeup()  argument
393 	v253_ops.write_wakeup(tty);  in cx81801_wakeup()