From: zhiwei.yuan <zhiwei.yuan@amlogic.com>
Date: Mon, 25 Mar 2019 09:28:35 +0000 (+0800)
Subject: dtv_demod: playing dtmb is not smooth when signal is non-standard [1/1]
X-Git-Tag: hardkernel-4.9.236-104~1563
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1b75192f66f3a18c3653907bec6bced9528ddfdb;p=platform%2Fkernel%2Flinux-amlogic.git

dtv_demod: playing dtmb is not smooth when signal is non-standard [1/1]

PD#SWPL-6286

Problem:
tps of non-standard signal is incorrect

Solution:
ignore calculating amplitude tps

Verify:
verified by t962x2_x301

Change-Id: Ibd3ff7bfe56ca604ad99fa7c6f457202c227c9ae
Signed-off-by: zhiwei.yuan <zhiwei.yuan@amlogic.com>
---

diff --git a/drivers/amlogic/media/dtv_demod/dtmb_func.c b/drivers/amlogic/media/dtv_demod/dtmb_func.c
index 7846909..90e7714 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 34c28cb..7252c1a 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)