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Dear @syscl, I call for your help.
I implemented your deep-idle patches, specifically:
- syscl_GTF0
- syscl_NVMe
Now the system has 2 serious issues:
- Toshiba NVME SSD started whining when idle. Very high-pitched whine. Very faint but not pleasurable.
- Laptop speakers' amp shuts down 0.1 seconds after it finishes emitting sound. Every time you change the volume, after the feedback sound, you hear a POP, that's the amp shutting down.
The most worrying thing is that I am unable to revert back.
I tried to:
- Revert to older DSDT
- Complete and clean reinstall of MacOS
- Reset BIOS
- Upgrade BIOS
- Disable HWP
Nothing solves it.
It seems that maybe some code in that DSDT wrote to a permanent device register, maybe something that puts the PCI lanes into "extreme power saving mode", that could explain both the SSD whining and the extremely reduced audio amp shutdown delay.
As a side note, battery life seems worsened by 10-20% compared to before these patches.
I know that I'm manually picking some of your fixes and using them on a different system, but please help me shed some light on this, I don't know what to do.
Thank you.
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