[bwn] bcm4311 Acer Aspire One rf switch

[Bernhard Schmidt]

On Sun, Aug 12, 2012 at 4:54 AM, Adrian Chadd <adrian.chadd at gmail.com> wrote:
> Irs very likely an acpi problem. Therell be some IO line hooked in that
> acpi controls.

Not sure about that, the Linux driver polls the hardware for the RF
kill state, that smells like that there is no event at all.

> On Aug 11, 2012 7:02 PM, "skydrome" <chris2603 at gmail.com> wrote:
>
>> I have the same setup as this person here
>> http://forums.freebsd.org/archive/index.php/t-29407.html
>>
>> the exactly problem is when issuing:
>> wpa_supplicant -B -i wlan0 -c /etc/wpa_supplicant.conf
>>
>> RF Switch LED on laptop blinks once and i receive message:
>> bwn0: firmware version (rev 410 patch 2160 date 0x751a time 0x7c0a)
>> wlan0: ieee80211_new_state_locked: pending INIT -> SCAN transition lost
>> bwn0: status of RF switch is changed to OFF
>> bwn0: please turn on the RF switch
>>
>> Now the problem is is that the aspire one bios has no bios control for
>> explicitly en|dis|abling the rf switch, in fact, i cannot turn it off.
>> When i switch it, it remains on (light is on)
>>
>> Ive tried editing if_bwn.c, removing the check for rf_onoff() but to
>> no avail, ill have to read the source more in depth.
>> I wonder what else i can do to resolve this issue.
>>
>> Extra Info:
>> on linux (specifically archlinux), the rf switch doesnt do anything,
>> doesnt even trigger a acpi event. On fbsd no acpi event is trigger
>> either (debug.acpi.enabel_debug_object=1)

Does it make a difference if you reload the driver? eg. unload the
module, change switch state, reload driver?

-- 
Bernhard