Messages in this thread | | | Subject | Re: [PATCH] pinctrl: intel: Clear interrupt status in unmask callback | From | Kai Heng Feng <> | Date | Thu, 25 Apr 2019 13:16:25 +0800 |
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at 9:49 PM, <hotwater438@tutanota.com> <hotwater438@tutanota.com> wrote:
> Hi. I did the suggested echo and, if I clearly understood, switched to > s2idle mode without deep-mode. > For tests I use 4.19.28 on Debian-like system (Parrot OS). > > If the system defaults to use S2I, then it’s better to stick with it. > > Lots of ODM/OEM don’t really test S3. > So S3 is the same as S2 but with deep mode enabled? > The default switches to s2idle based on FADT flag and _DSM on relative > new kernels. > Are those some SSDT flags? > It actually sounds weird to me, why restarting touchpad after deep > suspend affects it work. I mean, if it starts sucessfully at boot, why it > doesn't after suspend? Can we debug it somehow?
Can you see if i2c_hid_hwreset() helps? Refer to [1] as an example.
Anyway, the resume issue is a different bug. If possible please merge this patch.
[1] https://lore.kernel.org/lkml/20190211070040.4569-1-jbroadus@gmail.com/
Kai-Heng
> > Regards, > Vladislav. > Apr 23, 2019, 12:47 PM by kai.heng.feng@canonical.com: > at 17:40, <hotwater438@tutanota.com> <hotwater438@tutanota.com> wrote: > Hi. Thank's for a hint! > So catting this file gives me next content: > s2idle [deep] > > Which kernel version do you use? > > > Most systems preload with Windows 8.1 should default to use s2idle. > > So I suppose I have s2idle with deep-mode available? > > I've tried to select deep by creating mem_sleep_default file, but I can't > (Permission error). > > Could you explain how do I switch suspend mode in Linux, if you know? > > # echo s2idle > /sys/power/mem_sleep > And to be honest, I don't think that's a correct fix of touchpad problem. > > > > Can we somehow cut off the power by hands or send a signal to a system to > shut off a touchpad? Or there are no approaches like that? > > I don’t think it’s possible. > > Kai-Heng > > Regards, > Vladislav. > > > Apr 23, 2019, 12:08 PM by mika.westerberg@linux.intel.com: > On Tue, Apr 23, 2019 at 11:00:48AM +0200, hotwater438@tutanota.com wrote: > Hi. > > Honestly, I can't find any information about my acpi suspend type. > There are no options in my BIOS to change it, and I can't determine > which exactly I have. But I suppose I have a S3 because I have suspend > issue. > > Can I somehow determine it in Linux? I did a research but found nothing > on the internet. > > You can read the default mode from /sys/power/mem_sleep. "s2idle" means, > well suspend-to-idle and "deep" means S3.
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