linux-kernel - Re: [PATCH] acer-wmi: blacklist Thinkpad edge E520

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Date:	Fri, 14 Oct 2011 10:48:39 +0800
From:	Ike Panhc <ike.pan@...onical.com>
To:	joeyli <jlee@...e.com>
CC:	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	Matthew Garrett <mjg@...hat.com>, Joey Lee <jlee@...ell.com>
Subject: Re: [PATCH] acer-wmi: blacklist Thinkpad edge E520

Hi Joey,

Here you are.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/836865/+attachment/2330828/+files/AcpiTables.txt


On 10/14/2011 12:35 AM, joeyli wrote:
> Hi Ike, 
> 
> 於 四，2011-10-13 於 14:51 +0800，Ike Panhc 提到：
>> BugLink: http://launchpad.net/bugs/836865
>> BugLink: http://launchpad.net/bugs/826784
>>
>> There are reports say that acer-wmi is loaded on Thinkpad E520 which
>> cause wireless connection hard blocked and we can not unblock it. It
>> will be better not to load acer-wmi on this machine.
>>
>> Signed-off-by: Ike Panhc <ike.pan@...onical.com>
>> ---
>>  drivers/platform/x86/acer-wmi.c |    7 +++++++
>>  1 files changed, 7 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
>> index af2bb20..dc9a116 100644
>> --- a/drivers/platform/x86/acer-wmi.c
>> +++ b/drivers/platform/x86/acer-wmi.c
>> @@ -325,6 +325,13 @@ static struct dmi_system_id __devinitdata acer_blacklist[] = {
>>  			DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
>>  		},
>>  	},
>> +	{
>> +		.ident = "Lenovo Thinkpad Edge E520",
>> +		.matches = {
>> +			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
>> +			DMI_MATCH(DMI_PRODUCT_NAME, "114320U"),
>> +		},
>> +	},
>>  	{}
>>  };
>>  
> 
> Could you please share Thinkpad edge E520's acpidump and dmidecode log
> to me? 
> Maybe we can capture how does it works with EC register like we support
> Ideapad S205 in acer-wmi driver.
> 
> Add a machine to blacklist is a last resort, I don't want to accept it
> before we try.
> 
> 
> Thank's a lot!
> Joey Lee
> 
> 
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