Patch set updated for coreboot: c6f5583 mainboard/lenovo/t400: Increase backlight frequency to reduce flicker

[Timothy Pearson]

Timothy Pearson ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9331

-gerrit

commit c6f5583872811ff61916fe6963743244219d2b05
Author: Timothy Pearson 
Date:   Mon Apr 6 22:02:18 2015 -0500

mainboard/lenovo/t400: Increase backlight frequency to reduce flicker

TEST: Booted Lenovo T400 with LED backlight and verified the absence
    of any visible flicker along with proper operation of the brightness
    control.

Change-Id: Ifb485f4aad385aac794978527fd7d246f444ea08
    Signed-off-by: Timothy Pearson 
---
 src/mainboard/lenovo/t400/devicetree.cb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mainboard/lenovo/t400/devicetree.cb b/src/mainboard/lenovo/t400/devicetree.cb
index cc27d25..6280b91 100644
--- a/src/mainboard/lenovo/t400/devicetree.cb
+++ b/src/mainboard/lenovo/t400/devicetree.cb
@@ -5,6 +5,8 @@ chip northbridge/intel/gm45
    register "gfx.link_frequency_270_mhz" = "1"
    register "gfx.lvds_num_lanes" = "4"

+	register "gfx.backlight" = "0x620062"
+
    device cpu_cluster 0 on
    	chip cpu/intel/socket_BGA956
    		device lapic 0 on end