From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gabriele Mazzotta Subject: Re: [PATCH 3/4] dell-wmi: Add information about other WMI event codes Date: Wed, 8 Jun 2016 12:44:44 +0200 Message-ID: <0d5a8762-b849-41c6-bfe5-e00da25d26d5@gmail.com> References: <1463916983-12562-1-git-send-email-pali.rohar@gmail.com> <1463916983-12562-4-git-send-email-pali.rohar@gmail.com> <79752a4a-22b0-13ec-721c-d92b5dfd46e1@gmail.com> <20160607230008.GQ29844@pali> <01b8e172bca546728b596c8cc4ebd932@ausx13mpc124.AMER.DELL.COM> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from mail-wm0-f66.google.com ([74.125.82.66]:36112 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932250AbcFHKos (ORCPT ); Wed, 8 Jun 2016 06:44:48 -0400 In-Reply-To: <01b8e172bca546728b596c8cc4ebd932@ausx13mpc124.AMER.DELL.COM> Sender: platform-driver-x86-owner@vger.kernel.org List-ID: To: Mario_Limonciello@Dell.com, pali.rohar@gmail.com Cc: mjg59@srcf.ucam.org, dvhart@infradead.org, kernel@kempniu.pl, luto@kernel.org, alex.hung@canonical.com, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org On 08/06/2016 08:02, Mario_Limonciello@Dell.com wrote: >> -----Original Message----- >> From: Pali Roh=C3=A1r [mailto:pali.rohar@gmail.com] >> Sent: Tuesday, June 7, 2016 6:00 PM >> To: Gabriele Mazzotta ; Limonciello, Mario >> >> Cc: Matthew Garrett ; Darren Hart >> ; Micha=C5=82 K=C4=99pie=C5=84 ; Andy Lutomirski >> ; Alex Hung ; platform-dri= ver- >> x86@vger.kernel.org; linux-kernel@vger.kernel.org >> Subject: Re: [PATCH 3/4] dell-wmi: Add information about other WMI e= vent >> codes >> >> On Friday 27 May 2016 00:04:23 Gabriele Mazzotta wrote: >>> On 22/05/2016 13:36, Pali Roh=C3=A1r wrote: >>>> ACPI DSDT tables have defined other WMI codes, but does not contai= n >>>> 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, b= ut >>>> lot of them are not tested properly (e.g. for duplicate events wit= h >>>> AT keyboard). Now we have all WMI event codes at one place and in >>>> future after proper testing those codes can be correctly enabled o= r >> disabled... >>>> >>>> Signed-off-by: Pali Roh=C3=A1r >>>> --- >>>> 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 =3D { >>>> /* 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 wit= h battery >> charging... but that is only my guess. >> >> Mario, do you have any idea, what these unknown events are? >=20 > Off-hand I'm not sure, it would require some more digging. >=20 > Can you please remind me what model numbers and BIOS combinations you= have=20 > found e00e in DSDT and what context the events are actually happening= ? =20 > Anything released in the past two years? >=20 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.