Re: [PATCH] ata: ahci: Enable enclosure management via LED (resend)

From: Richard Purdie
Date: Thu Oct 25 2007 - 18:07:26 EST


On Thu, 2007-10-25 at 23:35 +0200, Ingo Oeser wrote:
> On Thursday 25 October 2007, Kristen Carlson Accardi wrote:
> > Enable enclosure management via LED
> >
> > As described in the AHCI spec, some AHCI controllers may support
> > Enclosure management via a variety of protocols. This patch
> > adds support for the LED message type that is specified in
> > AHCI 1.1 and higher.
>
> Linux has a LED subsystem for that. May I suggest, that you just register
> these leds and let userspace handle them via that via the LED API?
>
> The LED userspace API is described in Documentation/leds-class.txt
> and the headers for registering LEDs is linux/leds.h under include/
>
> Since you explicitly WANT user space to control these, that should
> be the right API.
>
> Richard, what do YOU think?

If you're exporting LEDs to userspace, the LED API was designed to do
just that...

Cheers,

Richard



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