diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c
index 0bb424af956fb0377632d53a9bd6e2bcaadcccd9..64f863d51ac8e32569006c67d2eb857390b3477d 100644
--- a/sound/soc/codecs/cx20442.c
+++ b/sound/soc/codecs/cx20442.c
@@ -274,14 +274,14 @@ static int v253_hangup(struct tty_struct *tty)
 }
 
 /* Line discipline .receive_buf() */
-static void v253_receive(struct tty_struct *tty,
-				const unsigned char *cp, char *fp, int count)
+static unsigned int v253_receive(struct tty_struct *tty,
+				 const unsigned char *cp, char *fp, int count)
 {
 	struct snd_soc_codec *codec = tty->disc_data;
 	struct cx20442_priv *cx20442;
 
 	if (!codec)
-		return;
+		return count;
 
 	cx20442 = snd_soc_codec_get_drvdata(codec);
 
@@ -293,6 +293,8 @@ static void v253_receive(struct tty_struct *tty,
 		codec->hw_write = (hw_write_t)tty->ops->write;
 		codec->card->pop_time = 1;
 	}
+
+	return count;
 }
 
 /* Line discipline .write_wakeup() */