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

Browse Source 
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>
This commit is contained in:
zhiwei.yuan
2019-08-07 15:45:40 +08:00
committed by Tao Zeng
parent 1683fd9424
commit e68c8fde62
1 changed files with 7 additions and 2 deletions
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9
drivers/amlogic/media/dtv_demod/dtmb_func.c
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@@ -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);