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I've been working on a Comet Lake laptop for about one month. Installed Monterey and all working fine except lid and battery status. Now the issue is Lid status and battery status not working. Typically, all things related to EC OperationRegion are all broken. Tried ECEnabler and manually patch...

It seems ACPIEC is not working. I tried manually patched the DSDT,and got following error: ACPI Error: Result stack is empty! State=ffffff902d6d0810 (20160930/dswstate-182) ACPI Exception: AE_AML_NO_RETURN_VALUE, Missing or null operand (20160930/dsutils-775) ACPI Exception...

via ioregistryexplorer. When use original dsdt,_STA is always 0x0

According to original dsdt,BAT0 _STA will return 0x0 when it fails to read EC region.I tried to hook it and return 0x1f always,still can't read battery percentage,same as before.

ioreg shows ACPIEC already attached to H_EC device..

@BlvckBytes Still same.Here is the log

@BlvckBytes Still not working,I got these errors: kernel[0]: (AppleSmartBatteryManager) <AppleSmartBatteryManager`AppleSmartBattery::_smcKeyInfo(unsigned int, int*, bool*) const> Failed to read keyInfo . rc:0x84 kernel[0]: (AppleSmartBatteryManager)...

@BlvckBytes Just tried,_STA errors still present,and _BIF and _BST generated AE_BAD_PARAMETER errors. with following errors :B1DC/B1FV/B1FC/XX15/B1ST/B1CR/B1RCB1VT Namespace lookup failure, AE_ALREADY_EXISTS For that _STA error,I believe it is caused by insufficient code as per ACPI spec: The OS...

@BlvckBytes Tried this EFI,same as before,battery showing 1% percentage and have _STA acpi error in log

@BlvckBytes Yes,currently I only have SMCBatterymanager+ecenabler+rename h_ec to ec Tried disable rename and insert a fake ec,same result tried search for the error,but only a few results tried https://www.tonymacx86.com/threads/acpi-error-ae_bad_parameter-setup-works-fine.227195/ just make bat0...

@BlvckBytes I already have ECEnabler, it doesn't work Also, I tried split EC fields bigger than 1byte into multiple fields, still same result

Hello BlvckBytes,I'm running Monterey on my Laptop Hardware Specification: CPU: Intel Core i3 10110U Memory: LPDDR3 GPU: Intel UHD Graphics 620 Ports: 1xDC 2xUSB3.0 1xType-C 1xHDMI 1x3.5mm Now the battery indicator and power supply status are not working, battery percentage always stuck at 1%...