[coreboot-gerrit] New patch to review for coreboot: lenovo/x60: use correct BLC_PWM_CTL value

Francis Rowe (info@gluglug.org.uk) gerrit at coreboot.org
Mon Jun 22 18:40:11 CEST 2015

Francis Rowe (info at gluglug.org.uk) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10624


commit 585c4506cd660201378c9396a16d59c5de331a5f
Author: Francis Rowe <info at gluglug.org.uk>
Date:   Mon Jun 22 17:37:06 2015 +0100

    lenovo/x60: use correct BLC_PWM_CTL value
    Bit 16 in BLC_PWM_CTL enables brightness controls, but the
    current value is generic. Use the proper value, obtained
    by reading BLC_PWM_CTL while running the VBIOS.
    Change-Id: Ib273359e1c285b405a9bb26fc217c2f7e255b99f
    Signed-off-by: Francis Rowe <info at gluglug.org.uk>
 src/mainboard/lenovo/x60/devicetree.cb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mainboard/lenovo/x60/devicetree.cb b/src/mainboard/lenovo/x60/devicetree.cb
index b20dde5..9c3c524 100644
--- a/src/mainboard/lenovo/x60/devicetree.cb
+++ b/src/mainboard/lenovo/x60/devicetree.cb
@@ -27,7 +27,7 @@ chip northbridge/intel/i945
 	register "gpu_hotplug" = "0x00000220"
 	register "gpu_lvds_use_spread_spectrum_clock" = "1"
 	register "gpu_lvds_is_dual_channel" = "0"
-	register "gpu_backlight" = "0x1290128"
+	register "gpu_backlight" = "0x879F879E"
 	device cpu_cluster 0 on
 		chip cpu/intel/socket_mFCPGA478

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