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Date:      Mon, 1 Feb 2010 15:35:04 -0600
From:      Brandon Gooch <jamesbrandongooch@gmail.com>
To:        Eitan Adler <eitanadlerlist@gmail.com>
Cc:        Polytropon <freebsd@edvax.de>, freebsd-questions@freebsd.org
Subject:   Re: using leds on laptop
Message-ID:  <179b97fb1002011335r1b057e48oa62e4a3830376fd8@mail.gmail.com>
In-Reply-To: <a0777e081002011224p5dce0852u75680638ffa99af3@mail.gmail.com>
References:  <a0777e081002011022g3099b358ge83d5431d8ee62df@mail.gmail.com> <20100201202813.9f3dc1c9.freebsd@edvax.de> <a0777e081002011224p5dce0852u75680638ffa99af3@mail.gmail.com>

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On Mon, Feb 1, 2010 at 2:24 PM, Eitan Adler <eitanadlerlist@gmail.com> wrot=
e:
> I'm not sure if FreeBSD will detect the "pure LED", but as
>
>> you mentioned that it is labelled "wireless", it is in
>> relation to the WLAN inside the laptop. Maybe there's a
>> device driver functionality that activates the LED when
>> the WLAN device is active?
>>
>
> Might be - but I don't have windows so I have no way of testing
>
>
>> Do you use the laptop's WLAN, and does the LED correspond
>> to any state (like activated, connected, scanning etc.) of
>> the WLAN?
>>
> I do use WLAN but it does not correspond to any specific state. Nor does =
the
> physical switch change anything
>
>>
>> Anyway, I would predict that you won't find an easy way
>> to utilize this LED except you're writing a driver for it
>> with specifications the laptop's manufacturer will sell to
>> you if you put enough money onto the table. :-)
>>
> =A0It happens to be a Lenovo laptop. If I could get a copy of the
> specification it would make a nice project for me - writing a driver -
> *wonders*
>
>>
>> Otherwise, it's completely useless.
>> --
>> Polytropon
>> Magdeburg, Germany
>> Happy FreeBSD user since 4.0
>> Andra moi ennepe, Mousa, ...
>>
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rg"
>

If it's and Intel card (iwi(4), ipw(4), iwn(4)), it's a matter of
knowing what command to send to the firmware.

What device do you have in the laptop?

Check the dmesg(8) output...

-Brandon



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