dtv_demod: C/N and three-path performane isn't up to std [1/1]

PD#SWPL-12431

Problem:
fec lost lock is too slower

Solution:
delay fec lock & make fec lost faster

Verify:
verified by t962x2_x301

Change-Id: I00de0a0c764f2fa598a867297acc0d90beddf188
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 0dae732..64562de 100644 (file)
--- a/drivers/amlogic/media/dtv_demod/dtmb_func.c
+++ b/drivers/amlogic/media/dtv_demod/dtmb_func.c
@@ -153,8 +153,13 @@ void dtmb_all_reset(void)
 
                /*for timeshift mosaic issue*/
                dtmb_write_reg(0x4e << 2, 0x256cf604);
-               /*delay fec lock to prevent eq is confused by signal*/
-               dtmb_write_reg(DTMB_FRONT_DEBUG_CFG, 0x5680000);
+
+               /*delay fec lock & make fec lost faster
+                *to prevent eq is confused by signal
+                */
+               dtmb_write_reg(DTMB_FRONT_DEBUG_CFG, 0x5480000);
+               /*reduce fec lost timeout*/
+               dtmb_write_reg(DTMB_FRONT_19_CONFIG, 0x30);
        } else {
                dtmb_write_reg(DTMB_FRONT_AGC_CONFIG1, 0x10127);
                dtmb_write_reg(DTMB_CHE_IBDFE_CONFIG6, 0x943228cc);