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vdin: switch to ATV source，snowflake screen showing pink [1/1]

Browse Source 
PD#SWPL-11340

Problem:
matrix setting is wrong

Solution:
for snowflake brightness, only need coef0, disable coef1 & 2

Verify:
verified by t962x2_x301

Change-Id: Id248803541fbb68004ea61bd2aa7dfc57408e787
Signed-off-by: zhiwei.yuan <zhiwei.yuan@amlogic.com>
This commit is contained in:
zhiwei.yuan
2019-07-10 16:31:15 +08:00
committed by Tao Zeng
parent 61c29936bb
commit 40c56343e8
1 changed files with 8 additions and 0 deletions
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8
drivers/amlogic/media/vin/tvin/vdin/vdin_ctl.c
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@@ -1026,9 +1026,17 @@ void vdin_set_cutwin(struct vdin_dev_s *devp)
void vdin_adjust_tvafesnow_brightness(void)
{
wr(0, VDIN_MATRIX_CTRL, 0x7);
/*post offset*/
wr(0, VDIN_MATRIX_OFFSET0_1, 0x200);
wr(0, VDIN_MATRIX_OFFSET2, 0x200);
/*coef*/
wr(0, VDIN_MATRIX_COEF00_01, 0x6000000);
wr(0, VDIN_MATRIX_COEF02_10, 0);
wr(0, VDIN_MATRIX_COEF11_12, 0);
wr(0, VDIN_MATRIX_COEF20_21, 0);
wr(0, VDIN_MATRIX_COEF22, 0);
}
EXPORT_SYMBOL(vdin_adjust_tvafesnow_brightness);