diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0002-lenovo-x60-use-correct-BLC_PWM_CTL-value.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0002-lenovo-x60-use-correct-BLC_PWM_CTL-value.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0002-lenovo-x60-use-correct-BLC_PWM_CTL-value.patch b/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0002-lenovo-x60-use-correct-BLC_PWM_CTL-value.patch new file mode 100644 index 0000000..4afc7f5 --- /dev/null +++ b/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0002-lenovo-x60-use-correct-BLC_PWM_CTL-value.patch @@ -0,0 +1,31 @@ +From e4b5b65c93122126344771f2042f8d7a3468be19 Mon Sep 17 00:00:00 2001 +From: Francis Rowe <info@gluglug.org.uk> +Date: Mon, 22 Jun 2015 17:37:06 +0100 +Subject: [PATCH 3/9] 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@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 b4d1144..4d62116 100644 +--- a/src/mainboard/lenovo/x60/devicetree.cb ++++ b/src/mainboard/lenovo/x60/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" = "0x1290128" ++ register "gpu_backlight" = "0x879F879E" + + device cpu_cluster 0 on + chip cpu/intel/socket_mFCPGA478 +-- +1.9.1 + |