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LG 27UD69 is working fine (CR+BR) #88

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marckrenn opened this issue Dec 25, 2017 · 2 comments
Open

LG 27UD69 is working fine (CR+BR) #88

marckrenn opened this issue Dec 25, 2017 · 2 comments

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@marckrenn
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marckrenn commented Dec 25, 2017 •
edited
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In combination with a MBP 2017.

As the LG craps out over a contrast of 72 anyway, I've naïvly offseted its contrast by changing the following LOC:

https://github.com/marckrenn/BrightnessMenulet/blob/27UD69W/BrightnessMenulet/LMUController.m#L80

Now, when

  • Follow Main Screen is enabled,
  • BR is set to 100 and
  • Quick Change is set to CR

the brightness of the LG now matches the one of the MBP. Hooray!

Same should also apply to other LGs with the same panel as well:

  • LG 27UD58
  • LG 27UD59
  • LG 27UD68

You can download my build here: https://www.dropbox.com/sh/pwufowvqv83g98e/AACGus7Mn9_jlZKWQ7sOY0CDa?dl=0
@marckrenn marckrenn changed the title LG 27UD69-W is working fine (CR+BR) LG 27UD69 is working fine (CR+BR) Dec 25, 2017
@zhovner
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zhovner commented Jan 18, 2018 •
edited
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I have LG 24UD58 and your build does not works.
As I see it can't get the current value of BR and CR.
I have the same issue https://github.com/kfix/ddcctl but I can set the absolute value with ddcctl.
For example ddcctl -d 1 -b 50 -c 50 successfully set brightness and contrast to 50. The issue is that I can't get current values.

Here is the log of running your build in cli:

2018-01-19 02:13:30.517 Brightness Menulet[43027:4543151] DDCControls: Refreshing Screens

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:27395 Serial:

2018-01-19 02:13:30.526 Brightness Menulet[43027:4543147] AppDelegate DEFAULTS = {
    LMUUpdateInterval = "1.454914";
    "autoAttribute_LG Ultra HD" = BR;
}
2018-01-19 02:13:30.544 Brightness Menulet[43027:4543151] DDCControls: Found LG Ultra HD - 458643819

D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:29211 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:35931 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:35947 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:45639 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:46635 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:85803 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:85547 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:85291 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:46891 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:47147 Serial:

E: No data after 10 tries!
2018-01-19 02:13:31.085 Brightness Menulet[43027:4543151] readDisplay:458643819 controlValue: failed need to retry...

D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:85035 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:84779 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:84523 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:84267 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:84011 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:83755 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:47403 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:47659 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:83499 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:83243 Serial:

E: No data after 10 tries!
2018-01-19 02:13:31.649 Brightness Menulet[43027:4543151] readDisplay:458643819 controlValue: failed need to retry...

D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:10251 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:83295 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:48447 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:48211 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:81967 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:48683 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:48939 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:81707 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:81451 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:81195 Serial:

E: No data after 10 tries!
2018-01-19 02:14:01.377 Brightness Menulet[43027:4543414] readDisplay:458643819 controlValue: failed need to retry...

D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:80939 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:49199 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:80683 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:80699 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:83251 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:79647 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:79959 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:50475 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:50731 Serial:


D: IOI2CTransactionTypes: 0x13 (19)
D: IOI2CNoTransactionType                   supported
D: IOI2CSimpleTransactionType               supported
E: IOI2CDDCciReplyTransactionType           unsupported
E: IOI2CCombinedTransactionType             unsupported
D: IOI2CDisplayPortNativeTransactionType    supported

Framebuffer: AppleIntelFramebuffer
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/IGPU@2/AppleIntelFramebuffer@3/display0/AppleDisplay
VN:7789 PN:23304 SN:498539 UN:3 IN:79403 Serial:

E: No data after 10 tries!
2018-01-19 02:14:01.909 Brightness Menulet[43027:4543414] readDisplay:458643819 controlValue: failed need to retry...

@marckrenn
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Hey @zhovner,

try this fork here, Florian added a proper calibration GUI.

I'm currently not at home, so I can't tell the exact values I'm using, but I think I'm using MIN: -10 and MAX: 80 to match my MBP 2017.

Hope that helped 😃

Have a great weekend,

Marc

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@zhovner @marckrenn