Re: [REGRESSION][BISECTED] Dell Precision 7780 wakes up on its own from suspend

Andy Shevchenko
2025-12-05T13:56:05Z

On Fri, Dec 05, 2025 at 05:16:16AM +0300, Askar Safin wrote:
> Andy Shevchenko <andriy.shevchenko@linux.intel.com>:
> > > Sounds like it comes via GPIO, but it's not handled as touchpad IRQ. You may
> > > try to add a quirk to prevent touchpad IRQ from waking the system. That should
> > > help I believe.
> > > Something like "ignore_wake=INTC1085:00@355" in the kernel command line.
> > > If it helps, update drivers/gpio/gpiolib-acpi-quirks.c accordingly.
> >
> > It might be actually the touchpad controller name (as I see in the quirk table):
> >
> > ignore_wake=VEN_0488:00@355
>
> It worked!

Glad to hear this!

> First, there is no option "ignore_wake". Correct option name is "gpiolib_acpi.ignore_wake".

Sure, sorry for mistake on my part, I never remember the whole names of the
kernel command line parameters.

> I tried "gpiolib_acpi.ignore_wake=INTC1085:00@355", and it didn't help.
>
> I tried "gpiolib_acpi.ignore_wake=VEN_0488:00@355", and it did help!
>
> Please, somebody (maybe Mario?) author a patch.

You can do it yourself, we may help and I dare to say for Mario and myself
that we even will be glad to help you to produce and submit patch on your own.
The expertise in contribution to Linux kernel is valuable thing, and I truly
believe it will help you in the future.

--
With Best Regards,
Andy Shevchenko