Re: acer-wmi is unnecessarily loaded on a Lenovo Ideapad S12

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Hi Carlos, 

Sorry bother you for this old issue.

æ äï2011-01-03 æ 20:49 +0000ïMatthew Garrett æåï
> It looks like this GUID is present in a surprisingly wide range of 
> devices (eg, http://pastebin.com/8BY0Dg64 from a Vaio...), which means 
> that it's probably not a safe assumption that reading from the EC will 
> give us reasonable results. Do the Acer drivers definitely do that, 
> rather than there being some SMI that returns the data?
> 

The AMW0 in acer-wmi not just used by acer machines:

#define AMW0_GUID1              "67C3371D-95A3-4C37-BB61-DD47B491DAAB"

It was also included in Lenovo Ideapad S12 and Vaio machines' DSDT. For
Lenovo Ideapad, that will be better handle by ideapad-laptop driver. 

Could we just direct add those model to the blacklist in acer-wmi
driver? or we direct check dmi in acer-wmi for only support Acer
machines that were included AMW0 in DSDT?

Appreciate if you can give any suggestion.


Thank's a lot!
Joey Lee

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