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atv_demod: fix the CVBS output level [1/1]

Browse Source 
PD#SWPL-11581, PD#TV-5622, PD#TV-8087, PD#TV-8088, PD#TV-8089

Problem:
fix the CVBS output level.

Solution:
1.fix peak level(1Vp-p).
2.fix sync head level(300+/-10%mv).
3.fix white level(700+/-10%mv).

Verify:
Verified by x301.

Change-Id: Ie4bd6ed0bb4d6db4443acae49ef98f1f4398d973
Signed-off-by: nengwen.chen <nengwen.chen@amlogic.com>
This commit is contained in:
nengwen.chen
2019-05-07 14:41:16 +08:00
committed by Luke Go
parent e71c50ecda
commit acefbfdd5b
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/amlogic/atv_demod/atvdemod_func.c
View File

@@ -242,13 +242,17 @@ void atv_dmd_misc(void)
== AM_TUNER_MXL661) {
/*test in sky*/
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS, 0x04, 0xbffa0000);
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS, 0x00, 0x6f4000);
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS, 0x00, 0x764000);
/*guanzhong@20151013 fix nonstd def is:0x0c010301;0x0c020601*/
atv_dmd_wr_long(APB_BLOCK_ADDR_CARR_RCVY, 0x24, 0xc030901);
} else if (amlatvdemod_devp->tuners[amlatvdemod_devp->tuner_cur].cfg.id
== AM_TUNER_ATBM2040) {
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS, 0x04, 0xc8fa0000);
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS, 0x00, 0x704000);
} else {
/*zhuangwei 0xdafa0000*/
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS, 0x04, 0xc8fa0000);
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS, 0x00, 0x554000);
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS, 0x00, 0x764000);
}
/*zhuangwei*/
atv_dmd_wr_long(APB_BLOCK_ADDR_DAC_UPS_24M, 0x04, 0xdafa0000);