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#26 Yesterday 09:05:41

V10lator
Member
Registered: 2026-09-02
Posts: 13

Re: Wake from USB not working

seth wrote:

There is zero reason the puck needs USB-PD. It draws 1 A max (while not in standby AND charging the controller) at 5V. So this doesn't help your arm.

Have you been using/tested USB A?

Of course as that's how you connect the puck to your PC. There is no other cable included when you purchase the controller...

//EDIT: And yes, I also tried the USB-C port on my PC with the help of a C to A adapter.

//EDIT²: Also officially the controller itself does not support USB-PD but 1A max at 5V... So not sure what the people in the steam thread are even talking about or how this has anything to do with wake on USB.

Last edited by V10lator (Yesterday 09:13:35)

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#27 Yesterday 09:40:33

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 77,681

Re: Wake from USB not working

The connection is that the puck apparently has power related issues here and there.
The board wakes on USB - the hypothetically remaining question is whether the board or the puck is at fault for it requiring external power. The test to answer that is to check the boards behavior against a more reliable device.

Nothing of this however relates to the OS, it induces the power state but doesn't control how the hardware acts in it.
But you may try to boot some live-distro and check its behavior itr.

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#28 Yesterday 10:53:33

V10lator
Member
Registered: 2026-09-02
Posts: 13

Re: Wake from USB not working

seth wrote:

The test to answer that is to check the boards behavior against a more reliable device.

Which would be what? It's clearly not a USB keyboard cause as everyone here except seth knows this failed, too. Also google says USB keyboards easily draw > 2.5 mA in standby.

Last edited by V10lator (Yesterday 10:54:02)

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#29 Yesterday 19:59:08

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 77,681

Re: Wake from USB not working

cause as everyone here except seth knows this failed, too

Your edit was overlapping with my response and then lost to the new page…

At least we know that - was the keyboard the only attached USB device?
(I've once encountered a bogus dvb-t dongle that jammed the bus during S3…)
Are there BIOS/UEFI updates available for the board?

You could try to lie, eg.

acpi_osi=! acpi_osi="Windows 2020"

https://learn.microsoft.com/en-us/windo … inacpi-osi

The please post your complete system journal for the boot:

sudo journalctl -b | nc termbin.com 9999

Maybe some obvious ACPI issues show up.

Also, the previously linked thread makes it sound like you can operate the controller wired, w/o the puck?
True?

-----
We bet *your* arm, so you get to keep that.

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#30 Yesterday 20:32:00

dimich
Member
From: Kharkiv, Ukraine
Registered: 2009-11-03
Posts: 780

Re: Wake from USB not working

V10lator wrote:

How to get VCC in standby without such an ugly hardware hack?

If the motherboard doesn't implement this, you can't. Who knows whether it does, on which ports, and why vendor stripped down some BIOS options.
A hardware without proper documentation is just a bulk of metal and sand.

V10lator wrote:

I can hammer on all the keys and the PC doesn't wake.

Sure, unpowered device can't signal remote wakeup. Assuming USB HUB remains powered, according to /proc/acpi/wakeup.

V10lator wrote:

Also google says USB keyboards easily draw > 2.5 mA in standby.

If a device violates USB specification, it can't pass USB certification and can't label itself "USB compatible".
Many semi-DIY devices violate the spec. Usually nothing bad happens: if such device is plugged into USB port powered from mains 5V, power just cuts off in standby. If the port is powered from 5VSB, auxiliary PSU is powerful enough not to burn out. Some implementations may detect overcurrent and either wake up or cut power off, it depends™.

Many systems use s2idle instead of deep sleep. It allows to manage power more granulary but requires support from software side, which is hard to implement for proprietary products. Related question is why chipset driver doesn't turn CPU fan off in s2idle on your system.

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