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USB power managament on Catalina.

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mathewgx
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USB power managament on Catalina.

Post by mathewgx » 08 Aug 2019, 08:19

I have a problem on Catalina with usp power.

Applebuspowercontroller isn't loaded under EC.

At High Sierra it is , with the same config.

Can you help?
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MaLd0n
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USB power managament on Catalina.

Post by MaLd0n » 08 Aug 2019, 13:08

mathewgx, i dont see error log "wake unit" etc, i think is a bug, need wait next release

all usb work good?
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mathewgx
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Joined: 05 Jun 2018, 17:22
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USB power managament on Catalina.

Post by mathewgx » 08 Aug 2019, 14:41

Yes , don't have any problem with usb as far as I can tell.
Ewerd
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USB power managament on Catalina.

Post by Ewerd » 30 Aug 2019, 02:09

Since this is the only place online I'm seeing it discussed so far...

AppleBusPowerController.kext has changed in Catalina, it no longer matches to EC. Here's a screenshot of the plists compared between Mojave (left) and Catalina (right).

Image

Added in 53 minutes 40 seconds:
The upshot of this has been that I don't need EC or USBX to get USB power. I've added a section for AppleBusPowerController to the top of my SSDT-UIAC:

Code: [Local Link Removed for Guests]

DefinitionBlock ("", "SSDT", 2, "hack", "_UIAC", 0)
{
    Device(UIAC)
    {
        Name(_HID, "UIA00000")

        Name(RMCF, Package()
        {
            "AppleBusPowerController", Package()
            {
                "kUSBSleepPortCurrentLimit", 
                0x0834, 
                "kUSBSleepPowerSupply", 
                0x125C, 
                "kUSBWakePortCurrentLimit", 
                0x0834, 
                "kUSBWakePowerSupply", 
                0x125C   
            },
Works great, charges iPhone and iPad just fine and reports the extra current in system profiler. SSDT-EC and SSDT-USBX have been removed from my ACPI patches.
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MaLd0n
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USB power managament on Catalina.

Post by MaLd0n » 30 Aug 2019, 03:28

Ewerd, ;) :cap
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