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[Guide] Laptop backlight control using AppleBacklightFixup.kext

i following step by step on post #1, brightness was working fine (slider), but the key not working (fn+f5 & fn+f6)
 
After following the guide, I noticed that during the first part of the boot, the screen is blinking; she only stops at the second part of the boot. Anyone have any idea what it can be?
 

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  • Problem Reporting.zip
    4 MB · Views: 141
RehabMan said:
Then your laptop does not use the IGPU PWM registers to control backlight, therefore not compatible with Apple's AppleBacklight.kext code.

You should look into using ACPIBacklight.kext + "Brightness Fix (ACPI 100)" + "Brightness by bergdesign".
Click to expand...

I removed the old Brightness fix, and tried the ACPI 100 version, first I change to spoofing 2012, but after applying the patch I get lots of build errors for methods not found. However the patch says it should be applied into the same place as the IGPU, which is definitely DSDT in my case.

Thank you for your time.
 

Attachments

  • clover minus themes.zip
    1.6 MB · Views: 137
  • DSDTwithbatteryandigpu2012andacpi100.dsl
    1.2 MB · Views: 72
dooglex said:
I removed the old Brightness fix, and tried the ACPI 100 version, first I change to spoofing 2012, but after applying the patch I get lots of build errors for methods not found. However the patch says it should be applied into the same place as the IGPU, which is definitely DSDT in my case.

Thank you for your time.
Click to expand...

This guide does not use any brightness "patches". Only SSDT-PNLF. Read post #1.
 
mateu0teclas said:
After following the guide, I noticed that during the first part of the boot, the screen is blinking; she only stops at the second part of the boot. Anyone have any idea what it can be?
Click to expand...

You might look into the additional options available from SSDT-RMCF that determine what SSDT-PNLF does during _INI.
 
EDIT: scratch that, after kextcache rebuild and another reboot working again...
Click to expand...

As mentioned in post #1...
 
Hi, I tried to follow the guide but wasn't able to get the brightness slider or the brightness working.

Please advise.

Thanks
 

Attachments

  • debug_1636.zip
    9.8 MB · Views: 216
famousginni said:
Hi, I tried to follow the guide but wasn't able to get the brightness slider or the brightness working.

Please advise.

Thanks
Click to expand...

Your ACPI configuration is wrong.
See guide for good starter plists and recommended version of Clover:
https://www.tonymacx86.com/threads/guide-booting-the-os-x-installer-on-laptops-with-clover.148093/

Then read applicable ACPI patching guides:
https://www.tonymacx86.com/threads/guide-patching-laptop-dsdt-ssdts.152573/
https://www.tonymacx86.com/threads/guide-disabling-discrete-graphics-in-dual-gpu-laptops.163772/
 
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