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XPS 9350 Mapping brightness key

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Joined
Apr 17, 2016
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6
Motherboard
XPS 9350
CPU
I5-6200u
Graphics
HD520
Followed Rehabman ACPI brightness key guides, after installed ACPI debug.kext and applied EC queues fix to DSDT, reboot computer, all i getting is "EC _Q66 enter" from console when pressing down F10,F11,F12 keys. BTW, I am running 10.12.6. Any helps would be appreciated.
 

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  • DSDT.aml.zip
    35.1 KB · Views: 69
Followed Rehabman ACPI brightness key guides, after installed ACPI debug.kext and applied EC queues fix to DSDT, reboot computer, all i getting is "EC _Q66 enter" from console when pressing down F10,F11,F12 keys. BTW, I am running 10.12.6. Any helps would be appreciated.

You really should use search.
Your brightness keys are handled by BRT6:
Code:
        Method (BRT6, 2, NotSerialized)
        {
            If (LEqual (Arg0, One))
            {
                Notify (LCD, 0x86)
            }

            If (And (Arg0, 0x02))
            {
                Notify (LCD, 0x87)
            }
        }

Had you continued to instrument your DSDT code, you would have discovered that _Q66 eventually ends up calling into BRT6.
 
I have applied the BRT6 patch and still does not working. Any ideas? Thank you so much for your helps.
 

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  • DSDT.aml.zip
    35.4 KB · Views: 63
did not work for me either..is there a new code for brt6
 
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