diff --git a/drivers/amlogic/cec/hdmi_ao_cec.c b/drivers/amlogic/cec/hdmi_ao_cec.c
index 09eb4066a0e0..22f21391c7a5 100644
--- a/drivers/amlogic/cec/hdmi_ao_cec.c
+++ b/drivers/amlogic/cec/hdmi_ao_cec.c
@@ -63,7 +63,7 @@
 #include "hdmi_ao_cec.h"
 
 
-#define CEC_FRAME_DELAY		msecs_to_jiffies(400)
+/*#define CEC_FRAME_DELAY		msecs_to_jiffies(400)*/
 #define CEC_DEV_NAME		"cec"
 
 #define HR_DELAY(n)		(ktime_set(0, n * 1000 * 1000))
@@ -1510,7 +1510,7 @@ static int check_confilct(void)
 {
 	int i;
 
-	for (i = 0; i < 200; i++) {
+	for (i = 0; i < CEC_CHK_BUS_CNT; i++) {
 		/*
 		 * sleep 20ms and using hrtimer to check cec line every 1ms
 		 */
@@ -1522,7 +1522,7 @@ static int check_confilct(void)
 			break;
 		CEC_INFO("line busy:%d\n", cec_line_cnt);
 	}
-	if (i >= 200)
+	if (i >= CEC_CHK_BUS_CNT)
 		return -EBUSY;
 	else
 		return 0;
diff --git a/drivers/amlogic/cec/hdmi_ao_cec.h b/drivers/amlogic/cec/hdmi_ao_cec.h
index 123b404e9319..134fd671440d 100644
--- a/drivers/amlogic/cec/hdmi_ao_cec.h
+++ b/drivers/amlogic/cec/hdmi_ao_cec.h
@@ -18,9 +18,11 @@
 #ifndef __AO_CEC_H__
 #define __AO_CEC_H__
 
-#define CEC_DRIVER_VERSION     "2019/12/09:sm1 bus check reg define err\n"
+#define CEC_DRIVER_VERSION     "2020/03/16:reduece no msg in sleep time\n"
+
+#define CEC_FRAME_DELAY		msecs_to_jiffies(30)
+#define CEC_CHK_BUS_CNT		20
 
-#define CEC_FRAME_DELAY		msecs_to_jiffies(400)
 #define CEC_DEV_NAME		"cec"
 
 #define CEC_PHY_PORT_NUM		4