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lenovo/x60: Enable brightness controls (native graphics) 

On i945 legacy brightness control is enabled by a single
bit in BLC_PWM_CTL. It's bit 16 or bit 0 (the other one
reverses polarity). Set the bit to enable brightness
controls.

Change-Id: Id855c4e91fe71fb489739e62fbe99ca22841acd2
Signed-off-by: Francis Rowe <info@gluglug.org.uk>
Reviewed-on: http://review.coreboot.org/7048
Reviewed-by: Martin Roth <gaumless@gmail.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Francis Rowe 2014-10-11 16:43:28 +01:00 committed by Alexandru Gagniuc
parent 36b78852e2
commit 27ce9b1f27
1 changed files with 1 additions and 1 deletions
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2
src/mainboard/lenovo/x60/devicetree.cb
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@ -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" = "0x1280128"
register "gpu_backlight" = "0x1290128"
device cpu_cluster 0 on
chip cpu/intel/socket_mFCPGA478