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cvbsout: fix cgms config mistake for NTSC [1/1]

Browse Source 
PD#OTT-5683

Problem:
NTSC cgms signal is incorrect

Solution:
fix cgms config mistake

Verify:
u212

Change-Id: I4a3dce8d6b3439be974a8aea48ca1d445feee25b
Signed-off-by: Evoke Zhang <evoke.zhang@amlogic.com>
This commit is contained in:
Evoke Zhang
2019-08-15 18:52:18 +08:00
committed by Luan Yuan
parent 0fee5e18ac
commit 684ee0c109
1 changed files with 18 additions and 2 deletions
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20
drivers/amlogic/media/vout/cvbs/wss.c
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@@ -38,8 +38,9 @@ static const char * const wss_576i_cmd[] = {"ar", "mode", "coding", "helper",
static void wss_set_output(unsigned int cmd, unsigned int mode,
unsigned int line, unsigned int data,
unsigned int start, unsigned int length) {
int value;
unsigned int start, unsigned int length)
{
unsigned int value;
pr_info("[%s], line = %d, data = 0x%x, start_bit = %d, length = %d\n",
__func__, line, data, start, length);
@@ -58,6 +59,21 @@ static void wss_set_output(unsigned int cmd, unsigned int mode,
#endif
cvbs_out_reg_setb(ENCI_VBI_SETTING, 0x1, 0, 2);
break;
case WSS_480I_CMD_CGMS_A:
value = cvbs_out_reg_read(ENCI_VBI_CGMSDT_L);
value |= (cvbs_out_reg_read(ENCI_VBI_CGMSDT_H) << 16);
value = ((value & (~(((1L << length) - 1) << start))) |
((data & ((1L << length) - 1)) << start));
cvbs_out_reg_write(ENCI_VBI_CGMSDT_L, (value & 0xffff));
cvbs_out_reg_write(ENCI_VBI_CGMSDT_H, ((value >> 16) & 0xff));
cvbs_out_reg_write(ENCI_VBI_CGMS_LN, (line - 4));
cvbs_out_reg_setb(ENCI_VBI_SETTING, 0x3, 4, 2);
/*480i, enable even field for line 20*/
/*enable odd field for line 283 */
break;
case WSS_576I_CMD_CGMS_A:
default:
cvbs_out_reg_setb(ENCI_VBI_WSSDT, data, start, length);
value = cvbs_out_reg_read(ENCI_VBI_WSSDT);