linux-kernel - Re: [PATCH] acer-wmi: only supports AMW0

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Date:   Mon, 29 Aug 2016 20:55:20 +0800
From:   joeyli <jlee@...e.com>
To:     Bjørn Mork <bjorn@...k.no>
Cc:     "Lee, Chun-Yi" <joeyli.kernel@...il.com>,
        Darren Hart <dvhart@...radead.org>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] acer-wmi: only supports AMW0_GUID1 on acer family

Hi Bjørn, 

On Mon, Aug 29, 2016 at 12:11:59PM +0200, Bjørn Mork wrote:
> "Lee, Chun-Yi" <joeyli.kernel@...il.com> writes:
> 
> > The AMW0_GUID1 wmi is not only found on Acer family but also other
> > machines like Lenovo, Fujitsu and Medion. In the past days, acer-wmi
> > driver handled those non-Acer machines by quirks list.
> >
> > But actually acer-wmi driver was loaded on any machines that have
> > AMW0_GUID1. This behavior is strange because those machines should
> > be supported by appropriate wmi drivers. e.g. fujitsu-laptop,
> > ideapad-laptop.
> >
> > So, This patch adds the logic to check the machine that has AMW0_GUID1
> > should be in Acer/Packard Bell/Gateway white list. But, it still keeps
> > the quirk list of those supported non-acer machines for backward
> > compatible.
> 
> Works fine for me on a Lenovo Thinkpad X1 Carbon 4th gen.  Thanks.
> 
> Bogus accelerometer device without patch:
> 
>   acer_wmi: Acer Laptop ACPI-WMI Extras
>   input: Acer BMA150 accelerometer as /devices/virtual/input/input16
> 
> With patch:
> 
>   acer_wmi: Acer Laptop ACPI-WMI Extras
>   acer_wmi: Unsupported machine has AMW0_GUID1, unable to load
> 
> 
> So if you want it:
> 
> Tested-by: Bjørn Mork <bjorn@...k.no>
> 

Thanks for your help for issue report and testing!

Joey Lee