2009/1/10 Nick Kossifidis <mickfl...@gmail.com>:
> 2009/1/9 Bob Copeland <m...@bobcopeland.com>:
>> On Wed, Jan 7, 2009 at 10:39 AM, Bob Copeland <m...@bobcopeland.com> wrote:
>>> We're setting gpios for LEDs (and eventually rfkill) mostly by trial
>>> and error.  Does Atheros happen to know which laptops/chipsets use which
>>> pins, or is it completely up to the OEM?  Should this just be configurable
>>> via sysfs or modparam?
>>
>> It seems there would be two things at play - which chipset gpios are wired
>> to which pins on the interface card, and which pins on the interface socket
>> in the laptop are wired to the case (for minipci at least there are a few
>> pins reserved for wlan leds, pci cards might have LEDs on the card itself).
>>
>> So, I'll add a modparam for now, we can phase out the older IBM check at
>> some point perhaps.
>>
>
> Well there are 2 kinds of LEDs
>
> a) LED wired on LED pins (controled via ledstate code -under devel)
> b) LED wired on GPIO pins (controled by software using gpio controls)
>
> We don't worry about a because it's standard and it's controled by the
> card itself, b is our problem. If we consider that we know where
> rfkill switch is connected from eeprom, we can try and guess where led
> is connected. Most of the times eg. rf-kill switch is connected on pin
> 0 but in Tobias's case there is no rfkill switch on his card so led is
> connected on pin 0 instead. This makes sense, we can try and check
> rfkill pin and set the other one as the led pin, i don't think that
> vendors will use gpio pins above 1 (if they do we can handle it as we
> do right now).
>
> Luis, Atheros have an ndis driver for windows that supports cards from
> various vendors, is it possible to get any vendor specific infos such
> as the led's pin from this driver ?

and polarity of course (which we can't guess but it makes sense to be
default to 1)

-- 
GPG ID: 0xD21DB2DB
As you read this post global entropy rises. Have Fun ;-)
Nick
_______________________________________________
ath5k-devel mailing list
ath5k-devel@lists.ath5k.org
https://lists.ath5k.org/mailman/listinfo/ath5k-devel

Reply via email to