diff --git a/drivers/amlogic/media/dtv_demod/dtmb_func.c b/drivers/amlogic/media/dtv_demod/dtmb_func.c
index 784690961b0a..90e7714e95ab 100644
--- a/drivers/amlogic/media/dtv_demod/dtmb_func.c
+++ b/drivers/amlogic/media/dtv_demod/dtmb_func.c
@@ -198,6 +198,12 @@ void dtmb_all_reset(void)
 		    dtmb_write_reg(DTMB_CHE_FD_TD_COEFF, temp_data);
 		}
 	}
+
+	/*for non-standard signal,
+	 *ignore calculatiing amplitude tps(transport parameter signalling)
+	 */
+	dtmb_write_reg(DTMB_CHE_IBDFE_CONF0,
+		dtmb_read_reg(DTMB_CHE_IBDFE_CONF0) & 0xfffff0ff);
 }
 
 void dtmb_initial(struct aml_demod_sta *demod_sta)
diff --git a/drivers/amlogic/media/dtv_demod/include/addr_dtmb_che.h b/drivers/amlogic/media/dtv_demod/include/addr_dtmb_che.h
index 34c28cba4cdf..7252c1ad23a6 100644
--- a/drivers/amlogic/media/dtv_demod/include/addr_dtmb_che.h
+++ b/drivers/amlogic/media/dtv_demod/include/addr_dtmb_che.h
@@ -22,6 +22,7 @@
 
 #define  DTMB_CHE_ADDR(x) (DTMB_DEMOD_BASE + (x << 2))
 
+#define  DTMB_CHE_IBDFE_CONF0               DTMB_CHE_ADDR(0x8b)
 #define  DTMB_CHE_TE_HREB_SNR               DTMB_CHE_ADDR(0x8d)
 #define  DTMB_CHE_MC_SC_TIMING_POWTHR       DTMB_CHE_ADDR(0x8e)
 #define  DTMB_CHE_MC_SC_PROTECT_GD          DTMB_CHE_ADDR(0x8f)