[Debian-eeepc-devel] wwan3g rfkill: Operation not permitted

[Corentin Chary]

On Fri, Jul 10, 2009 at 3:35 PM, Thiemo Nagel<thiemo.nagel at ph.tum.de> wrote:
> Corentin Chary wrote:
>> On Fri, Jul 10, 2009 at 12:23 PM, Thiemo Nagel<thiemo.nagel at ph.tum.de> wrote:
>>> I just tested the new GSM rfkill in 2.6.31-rc2 and I get the following on my
>>> EeePC 1000HGO:
>>>
>>> eee:/# cat /sys/class/rfkill/rfkill2/name
>>> eeepc-wwan3g
>>> eee:/# echo 0 > /sys/class/rfkill/rfkill2/state
>>> bash: echo: write error: Operation not permitted
>>>
>>> What could be the reason for that?
>>
>> Reading the kernel source I can find:
>>         /*
>>          * The intention was that userspace can only take control over
>>          * a given device when/if rfkill-input doesn't control it due
>>          * to user_claim. Since user_claim is currently unsupported,
>>          * we never support changing the state from userspace -- this
>>          * can be implemented again later.
>>          */
>>
>> It seems that rfkill should be controlled by /dev/rfkill (cf
>> Documentation/rfkill.txt).
>> Maybe network-manager can control that .. But I'm not sure.
>> Maybe you should CC the wireless mailing list.
>
> Thanks for the quick reply.  The interesting thing is, that the direct
> access works well for eeepc-wlan and eeepc-bluetooth rfkills.  I've CC'd
> debian-eeepc-devel, maybe they know something.
>

Are you sure that it works with newer kernels ?

This commit should have broken it for all rfkill.

commit 19d337dff95cbf76edd3ad95c0cee2732c3e1ec5
Author: Johannes Berg <johannes at sipsolutions.net>
Date:   Tue Jun 2 13:01:37 2009 +0200




-- 
Corentin Chary
http://xf.iksaif.net - http://uffs.org