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| author | Francis Rowe <info@gluglug.org.uk> | 2016-01-28 18:03:59 (EST) |
|---|---|---|
| committer | Francis Rowe <info@gluglug.org.uk> | 2016-01-28 18:03:59 (EST) |
| commit | a1357659b2a72c349091a0abd7a0276b4fd6946d (patch) | |
| tree | f0c77bce57774090506267e3ea14ff4eee5543a3 /resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/t60/0001-lenovo-t60-Enable-brightness-controls-native-graphic.patch | |
| parent | 3b56767917dccd59c4af7c289450a053982e984a (diff) | |
| download | libreboot-a1357659b2a72c349091a0abd7a0276b4fd6946d.zip libreboot-a1357659b2a72c349091a0abd7a0276b4fd6946d.tar.gz libreboot-a1357659b2a72c349091a0abd7a0276b4fd6946d.tar.bz2 | |
Revert "reset x60/t60/macbook21 to older coreboot revisions"
This reverts commit 3b56767917dccd59c4af7c289450a053982e984a.
Diffstat (limited to 'resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/t60/0001-lenovo-t60-Enable-brightness-controls-native-graphic.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/t60/0001-lenovo-t60-Enable-brightness-controls-native-graphic.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/t60/0001-lenovo-t60-Enable-brightness-controls-native-graphic.patch b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/t60/0001-lenovo-t60-Enable-brightness-controls-native-graphic.patch new file mode 100644 index 0000000..ec6b33e --- /dev/null +++ b/resources/libreboot/patch/coreboot/33fb4cf0ffb01be8bcb6b488872c87eb50e7d77f/grub/t60/0001-lenovo-t60-Enable-brightness-controls-native-graphic.patch @@ -0,0 +1,36 @@ +From 770021ce66a0fddebb9639c4df0696ecfca45488 Mon Sep 17 00:00:00 2001 +From: Francis Rowe <info@gluglug.org.uk> +Date: Mon, 15 Jun 2015 19:59:46 +0100 +Subject: [PATCH 4/9] lenovo/t60: Enable brightness controls (native graphics) + +This makes the Fn Home/End keys work for controlling the +brightness of the display. Value obtained by reading +BLC_PWM_CTL when running the VBIOS (option ROM). + +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: I22e261f2ce28ec81cd208a73e6311ec67146eb72 +Signed-off-by: Francis Rowe <info@gluglug.org.uk> +--- + src/mainboard/lenovo/t60/devicetree.cb | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/mainboard/lenovo/t60/devicetree.cb b/src/mainboard/lenovo/t60/devicetree.cb +index b28f1ad..9e6ce02 100644 +--- a/src/mainboard/lenovo/t60/devicetree.cb ++++ b/src/mainboard/lenovo/t60/devicetree.cb +@@ -26,7 +26,7 @@ chip northbridge/intel/i945 + + register "gpu_hotplug" = "0x00000220" + register "gpu_lvds_use_spread_spectrum_clock" = "1" +- register "gpu_backlight" = "0x1280128" ++ register "gpu_backlight" = "0x58BF58BE" + + device cpu_cluster 0 on + chip cpu/intel/socket_mFCPGA478 +-- +1.9.1 + |