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SubjectRe: [PATCH] leds: New PCEngines Alix LED driver using gpio interface
On 07/04/2011 22:58, Andrew Morton wrote:
> On Sun, 6 Mar 2011 16:51:25 +0000
> wrote:
>> From: Ed Wildgoose <>
>> This new driver replaces the old PCEngines Alix 2/3 LED driver with
>> a new driver that controls the LEDs through the leds-gpio driver.
>> The old driver accessed GPIOs directly, which created a conflict
>> and prevented also loading the cs5535-gio driver to read other
>> GPIOs on the Alix board. With this new driver, both are loaded
>> and therefore it's possible to access both the LEDs and onboard GPIOs
>> This driver is based on leds-net5501.c
>> by: Alessandro Zummo <>
>> Additionally it relies on parts of the patch: 7f131cf3ed
>> by: Daniel Mack <> to perform detection of the Alix board
> As far as I can tell from looking at it, this driver maintains all the
> same interfaces and behaviour as the old version. Am I right?

Yes, this is correct. The substance of the change is simply to use the
leds-gpio interface rather than fiddling with gpio settings directly.
However, please note that Grant and Andres suggested that the driver
should instead move to "arch" and out of leds? Therefore, I created an
updated version of this patch which you can find from message id:
"", ie:

Additionally this updated patch has a slightly amended copyright -
several folks thought that the updated copyright statement was more

My apologies that this updated patch was not more clearly marked as such
- Grant has taken the time to point out how I should submit patches more
clearly in the future

I would be happy to shuffle the code around further if anyone has an

Thanks for picking this up

Ed W

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