Werner Zeh (werner.zeh@siemens.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16875
-gerrit
commit 0ff64715f95d38052d2121a65c06b12bf2d71863 Author: Werner Zeh werner.zeh@siemens.com Date: Tue Oct 4 11:59:59 2016 +0200
siemens/mc_tcu3: Increase LCD backlight turn-on delay to 500 ms
Due to different LCD panel requirements the delay between LVDS becomes active and the backlight is switched on needs to be increased to 500 ms.
Change-Id: I09029624469aef412141c7b46224d48557ba4af1 Signed-off-by: Werner Zeh werner.zeh@siemens.com --- src/mainboard/siemens/mc_tcu3/ptn3460.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mainboard/siemens/mc_tcu3/ptn3460.c b/src/mainboard/siemens/mc_tcu3/ptn3460.c index 21847bd..bcf8d2c 100644 --- a/src/mainboard/siemens/mc_tcu3/ptn3460.c +++ b/src/mainboard/siemens/mc_tcu3/ptn3460.c @@ -80,7 +80,7 @@ int ptn3460_init(char *hwi_block) cfg.lvds_interface_ctrl2 = 0x03; /* no clock spreading, 300 mV LVDS swing */ cfg.lvds_interface_ctrl3 = 0x00; /* no LVDS signal swap */ cfg.t2_delay = 1; /* Delay T2 (VDD to LVDS active) by 16 ms */ - cfg.t3_timing = 5; /* 250 ms from LVDS to backlight active */ + cfg.t3_timing = 10; /* 500 ms from LVDS to backlight active */ cfg.t12_timing = 20; /* 1 second re-power delay */ cfg.t4_timing = 3; /* 150 ms backlight off to LVDS inactive */ cfg.t5_delay = 1; /* Delay T5 (LVDS to VDD inactive) by 16 ms */