Re: [PATCH] acer-wmi: blacklist Thinkpad edge E520
Date: Mon Oct 24 2011 - 18:21:39 EST
æ äï2011-10-18 æ 10:20 +0800ïIke Panhc æåï
> Hi Joey,
> On 10/18/2011 09:48 AM, joeyli wrote:
> > Hi Ike,
> > Could you please attached on the "rfkill list" output when press Fn key?
> > Then we can check the rfkill status change.
> The output of rfkill list is at
> .. and bug reporter tells me that he can not unblock wireless.
> > And,
> > Thinkpad E520 have AMW0 method and I thought acer-wmi query wrong EC
> > register address so your acer-wireless was always soft-blocked.
> > Does it possible kindly help me to find out which register on E520 is
> > mapping to wireless status? Please reference to Carlos's acer_ec.pl
> > tool:
> > http://code.google.com/p/aceracpi/wiki/EmbeddedController
> > Simple use:
> > watch -n 1 perl acer_ec.pl regs
> > Then press your wireless Fn key to monitor which register changed when
> > you press Fn key:
> > e.g. the register at row B0 and column 0A is register 0xBA (0x is used
> > to indicate this is a hexadecimal number).
> > There maybe have other EC register changing when you press key, please
> > do a couple of times and make sure you find out the right one.
> > If we are lucky, we can find out one EC register mapping to your
> > wireless state.
> I've asked bug reporter to do so. Unfortunately nothing useful found.
> Please refer to the link below:
> The full discussion is at
I also didn't see useful things from DSDT, looks like the control
doesn't through EC.
Let's add this device to blacklist!
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