On Wednesday 08 June 2016 12:44:44 Gabriele Mazzotta wrote: > On 08/06/2016 08:02, Mario_Limonciello@xxxxxxxx wrote: > >> -----Original Message----- > >> From: Pali Rohár [mailto:pali.rohar@xxxxxxxxx] > >> Sent: Tuesday, June 7, 2016 6:00 PM > >> To: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx>; Limonciello, Mario > >> <Mario_Limonciello@xxxxxxxx> > >> Cc: Matthew Garrett <mjg59@xxxxxxxxxxxxx>; Darren Hart > >> <dvhart@xxxxxxxxxxxxx>; Michał Kępień <kernel@xxxxxxxxxx>; Andy > >> Lutomirski <luto@xxxxxxxxxx>; Alex Hung > >> <alex.hung@xxxxxxxxxxxxx>; platform-driver- x86@xxxxxxxxxxxxxxx; > >> linux-kernel@xxxxxxxxxxxxxxx > >> Subject: Re: [PATCH 3/4] dell-wmi: Add information about other WMI > >> event codes > >> > >> On Friday 27 May 2016 00:04:23 Gabriele Mazzotta wrote: > >>> On 22/05/2016 13:36, Pali Rohár wrote: > >>>> ACPI DSDT tables have defined other WMI codes, but does not > >>>> contain any description when those codes are emitted. Some > >>>> other codes can be found in logs on internet. In this patch are > >>>> all which I saw, but lot of them are not tested properly (e.g. > >>>> for duplicate events with AT keyboard). Now we have all WMI > >>>> event codes at one place and in future after proper testing > >>>> those codes can be correctly enabled or > >> > >> disabled... > >> > >>>> Signed-off-by: Pali Rohár <pali.rohar@xxxxxxxxx> > >>>> --- > >>>> > >>>> drivers/platform/x86/dell-wmi.c | 32 > >> > >> ++++++++++++++++++++++++++++++++ > >> > >>>> 1 file changed, 32 insertions(+) > >>>> > >>>> diff --git a/drivers/platform/x86/dell-wmi.c > >>>> b/drivers/platform/x86/dell-wmi.c index 363d927..7aac1dc 100644 > >>>> --- a/drivers/platform/x86/dell-wmi.c > >>>> +++ b/drivers/platform/x86/dell-wmi.c > >>>> @@ -110,6 +110,9 @@ static const struct key_entry > >> > >> dell_wmi_legacy_keymap[] __initconst = { > >> > >>>> /* BIOS error detected */ > >>>> { KE_IGNORE, 0xe00d, { KEY_RESERVED } }, > >>>> > >>>> + /* Unknown, defined in ACPI DSDT */ > >>>> + /* { KE_IGNORE, 0xe00e, { KEY_RESERVED } }, */ > >>>> + > >>> > >>> I'm interested in knowing what's the meaning of this 0xe00e. This > >>> event is sent multiple times when I suspend/resume my laptop and > >>> it's definitely not a keypress. > >> > >> From DSDT dumps which I have seen, I guess it could be something > >> with battery charging... but that is only my guess. > >> > >> Mario, do you have any idea, what these unknown events are? > > > > Off-hand I'm not sure, it would require some more digging. > > > > Can you please remind me what model numbers and BIOS combinations > > you have found e00e in DSDT and what context the events are > > actually happening? Anything released in the past two years? > > XPS13 9333, BIOS A07. > > I think I saw the event only after resuming from suspend and > it's sent four times in a row. > > As Pali says, it seems to be related to the battery. There are > three _Qxx ACPI methods in my DSDT sending this event: one stops > battery charging, one detaches the battery and the last one stores > a value on the GNVS. Mario, were you able to identify something? -- Pali Rohár pali.rohar@xxxxxxxxx
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