linux-kernel - Re: [PATCH 0/2] Fixes for dell-wmi

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Message-Id: <201512271417.14969@pali>
Date:	Sun, 27 Dec 2015 14:17:14 +0100
From:	Pali Rohár <pali.rohar@...il.com>
To:	Gabriele Mazzotta <gabriele.mzt@...il.com>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Darren Hart <dvhart@...radead.org>,
	Michał Kępień <kernel@...pniu.pl>,
	Andy Lutomirski <luto@...nel.org>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] Fixes for dell-wmi

On Sunday 27 December 2015 14:10:55 Gabriele Mazzotta wrote:
> On 27/12/2015 14:07, Pali Rohár wrote:
> > On Sunday 27 December 2015 13:59:57 Gabriele Mazzotta wrote:
> >> On 24/12/2015 22:18, Pali Rohár wrote:
> >>> This patch series adds check if Dell WMI descriptor structure is
> >>> valid and fixes processing WMI events on devices with WMI
> >>> interface version 0.
> >>> 
> >>> After testing, second patch is good candidate for backporting
> >>> into stable kernels, but problem is that it cannot be used
> >>> without first patch. So I let decision to other people.
> >>> 
> >>> Gabriele and Michał, this patch series should fix processing
> >>> events on yours Dell laptops (you have in DSDT defined version
> >>> 0). Can you test it?
> >> 
> >> Hi,
> >> 
> >> I tested the patches and all the function keys work, but I can see
> >> that there are some differences in the dmesg.
> >> 
> >> Here a before and after comparison.
> >> 
> >> The radio button seems to generate longer messages when compared
> >> to the others.
> > 
> > Hi! Thanks for testing. Can you please recompile driver with line
> > #define DEBUG at beginning of dell-wmi.c file and send dmesg output
> > again? I want to see processing buffer debug lines in dmesg. Here
> > we should see that after this patch series garbage will not be
> > parsed.
> 
> I had to define DEBUG to get those lines.
> dell_new_hk_type is false, so that's all I can get.

Ah right, now I see... When dell_new_hk_type is false then code below 
which this series changing is not executed.

-- 
Pali Rohár
pali.rohar@...il.com

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