[coreboot-gerrit] Patch set updated for coreboot: 2078432 mainboard/lenovo/t400: Increase backlight frequency to reduce flicker

Timothy Pearson (tpearson@raptorengineeringinc.com) gerrit at coreboot.org
Thu Jun 4 21:03:16 CEST 2015

Timothy Pearson (tpearson at raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/9331


commit 2078432ff89e38613e9f10c769dea6d8a8eed317
Author: Timothy Pearson <tpearson at raptorengineeringinc.com>
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
    Change-Id: Ifb485f4aad385aac794978527fd7d246f444ea08
    Signed-off-by: Timothy Pearson <tpearson at raptorengineeringinc.com>
 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 c3fffe8..81944c0 100644
--- a/src/mainboard/lenovo/t400/devicetree.cb
+++ b/src/mainboard/lenovo/t400/devicetree.cb
@@ -8,6 +8,8 @@ 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

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