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Date:      Sun, 05 Feb 2012 23:38:49 +0000
From:      Chris Whitehouse <cwhiteh@onetel.com>
To:        Waitman Gobble <gobble.wa@gmail.com>
Cc:        User Questions <freebsd-questions@freebsd.org>
Subject:   Re: ath and how to control wireless light
Message-ID:  <4F2F1309.6090106@onetel.com>
In-Reply-To: <CAFuo_fxYGgCvd3DNvYLhM-qsKZpDXMerNOQgQ9=zoXtsxV3FmQ@mail.gmail.com>
References:  <4F2AA33E.6010207@onetel.com>	<CAFuo_fyT5cjn_x_FcVANj_-A=sd3UEDuNtAy1LjkE9cL-0AKew@mail.gmail.com>	<4F2D1BE0.7050901@onetel.com> <CAFuo_fxYGgCvd3DNvYLhM-qsKZpDXMerNOQgQ9=zoXtsxV3FmQ@mail.gmail.com>

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On 04/02/2012 16:49, Waitman Gobble wrote:
> On Sat, Feb 4, 2012 at 3:52 AM, Chris Whitehouse<cwhiteh@onetel.com>  wrote:
>
>> On 04/02/2012 08:37, Waitman Gobble wrote:
>>
>>> On Thu, Feb 2, 2012 at 6:52 AM, Chris Whitehouse<cwhiteh@onetel.com>
>>>   wrote:
>>>
>>>   Hello
>>>>
>>>> I have FreeBSD 9R amd64 installed on a HP G60 laptop. This machine has a
>>>> combined wireless switch and led. The switch turns the wifi on and off
>>>> but
>>>> the light stays red.
>>>>
>>>> The light is supposed to show red for wireless off and blue for wireless
>>>> on. I found some sysctls that control it:
>>>> dev.ath.0.softled: 0
>>>> dev.ath.0.ledpin: 3
>>>> dev.ath.0.ledon: 1
>>>> dev.ath.0.ledidle: 2700
>>>>
>>>> softled, ledpin and ledon are all set to 0 on boot.
>>>> I set ledpin to 3, then to change the colour of the light I turn on
>>>> softled 0->1, toggle ledon and turn off softled again.
>>>>
>>>> Can I make that sequence occur, or do something else, to make the led
>>>> change when the button is pressed _and_ keep in sync with whether the
>>>> wireless is on or off?
>>>>
>>>> With softled=1 the light is blue with a short red flash or red with a
>>>> short blue flash depending on the value of ledon. Also when softled=1 the
>>>> light flashes in it's "opposite" colour when there is network traffic. So
>>>> it would probably be ok just to leave softled=1 and toggle ledon.
>>>>
>>>> The wireless device is
>>>> dev.ath.0.%desc: Atheros 5424/2424.
>>>>
>>>> I think there is a slight glitch with the on/off button, that under some
>>>> circumstances it doesn't turn the wifi on again, which would be much
>>>> easier
>>>> to test if the light worked.
>>>>
>>>> Also what is ledidle and what do different settings do?
>>>>
>>>> Thanks
>>>>
>>>> Chris
>>>> ______________________________****_________________
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>>>>>
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>>>>> "
>>>>
>>>>
>>> Hi Chris,
>>>
>>> I have an Acer Aspire D150 and the LED hasn't been lit with FreeBSD,
>>> 9-rc3,
>>> 9-release or 10-current  (with BroadCom and 2 Atheros cards). it did work
>>> with Fedora GNU/Linux 11. I did try setting in loader.conf as recommended
>>> to me to no avail. On one hand it was easy to get the attitude "who cares
>>> about the LED anyway" but on the other I'm thinking it's a simple little
>>> thing that's important,I guess like maybe buying a new car and it's
>>> missing
>>> a knob on the stereo. (?) :) I suppose it probably should work.
>>>
>>> Waitman Gobble
>>> San Jose California USA
>>>
>>>   I have another HP laptop with a Broadcomm card which has a
>> button_with_light and it just works. None of the sysctl oids above occur
>> though. Maybe I'll swap wireless cards between the two and see what happens.
>>
>> What is the output of sysctl -a |grep led ?
>> You'll get lots of "enabled's" but there might be something that relates
>> to led's.
>>
>> I had to change ledpin from default of 0 to 3 before any of the other ones
>> had any effect.
>>
>> Thanks for the reply anyway.
>>
>> Chris
>>
>
> Oh thats a good idea :) Thanks
>
> here's what someone recommended :
>
> dev.ath.0.ledpin=3
> dev.ath.0.softled=1
>
> but here are some extras i found from sysctl -a that i will check out:
>
> dev.ath.0.ledon: 0
> dev.ath.0.ledidle: 2700
> dev.ath.0.hardled: 0
> dev.ath.0.led_net_pin: -1
> dev.ath.0.led_pwr_pin: -1
>
> Waitman Gobble
> San Jose California USA
>
I would give them a try. Set dev.ath.0.ledpin=3 then experiment. If you 
can't get any response try different values for ledpin or one of the 
other led*pin.

I can't read source code :( but maybe you can get more info out of the 
code you posted.

Chris



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