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UPSTREAM: lenovo/x60: use correct BLC_PWM_CTL value

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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.

BUG=none
BRANCH=none
TEST=none

Change-Id: I338fa2a852165e882a613407739a438df58a6827
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 3054ca164e
Original-Change-Id: Ib273359e1c285b405a9bb26fc217c2f7e255b99f
Original-Signed-off-by: Francis Rowe <info@gluglug.org.uk>
Original-Reviewed-on: https://review.coreboot.org/10624
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://chromium-review.googlesource.com/438057
This commit is contained in:
Francis Rowe 2015-06-22 17:37:06 +01:00 • committed by chrome-bot
commit 282502e4b4
1 changed files with 1 additions and 1 deletions
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2
src/mainboard/lenovo/x60/devicetree.cb
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@ -22,7 +22,7 @@ chip northbridge/intel/i945
register "gpu_hotplug" = "0x00000220"
register "gpu_lvds_use_spread_spectrum_clock" = "1"
register "gpu_backlight" = "0x1290128"
register "gpu_backlight" = "0x879F879E"
device cpu_cluster 0 on
chip cpu/intel/socket_mFCPGA478