diff --git a/sound/soc/ti/ams-delta.c b/sound/soc/ti/ams-delta.c
index 3719433..666057d 100644
--- a/sound/soc/ti/ams-delta.c
+++ b/sound/soc/ti/ams-delta.c
@@ -336,8 +336,8 @@ static void cx81801_hangup(struct tty_struct *tty)
 }
 
 /* Line discipline .receive_buf() */
-static void cx81801_receive(struct tty_struct *tty, const u8 *cp,
-		const char *fp, int count)
+static void cx81801_receive(struct tty_struct *tty, const u8 *cp, const u8 *fp,
+			    size_t count)
 {
 	struct snd_soc_component *component = tty->disc_data;
 	const unsigned char *c;