[coreboot-gerrit] New patch to review for coreboot: siemens/mc_tcu3: Increase LCD backlight turn-on delay to 500 ms

[Werner Zeh (werner.zeh@siemens.com)]

Werner Zeh (werner.zeh at 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 at 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 at 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 */