Comment 172 for bug 1958019

(In reply to DavidLenovo from comment #158)
> (In reply to Brian Long from comment #155)
> > (In reply to Dre from comment #153)
> > > Just confirming that I was able to follow the tutorial by @wave to get my
> > > speakers working. S3 sleep enabled without a hitch. I have the Lenovo
> > Yoga
> > > 7i 14ITL5. The only issue I ran into was with the login script, but I'm
> > > personally OK with that for now (appears I have a permissions issue).
> I'm
> > > currently running Manjaro 21.0.5. I simply have to play some audio,
> > > suspend, then wake. Audio then plays through the speakers immediately
> > after
> > > waking, even before I unlock the session.
> > > Just sharing my experience. Thanks to all who have contributed to the
> > > progress being made on this issue!
> >
> > I have the same system and "deep" will not enable.
>
> Hi, for you and all people without S3, could you try :
> cat /sys/power/mem_sleep
>
> sudo dmesg |grep ACPI|grep supports
>
> And find kernel: ACPI: DSDT 0x...(remove by me) ...(remove by me) v02
> LENOVO CB-01 00000003 INTL ...)
> Do you have 00000002 or 00000003 ?
> I think sudo dmesg |grep ACPI|grep DSDT will work
> or just sudo dmesg |grep DSDT
>
> Thanks
> (In reply to Niclas from comment #157)
> > No luck here with making the sleep working.
> >
> > Anyone know if someone is in contact with the manufacturer?
>
> I contact them, for Lenovo it's not specified it is an Linux laptop, so it
> is not a problem.
> The problem is reported by the person answer me, but we don't have tracking
> or any-else.
>
> You can check an alternative BIOS, the problem seem to be created by a
> deactivation of the S3 in the BIOS. We have a limited bios, but people have
> found in another model, it's just a switch to enable in the dump.
> www.bios-mods.com can modify your dump to enable this.
>
> Have a good day

I'm having trouble getting the dmesg command to give me anything, but here is what the cat command returns: s2idle [deep]