linux-kernel - Re: blink driver power saving

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Message-Id: <200707030142.36252.dtor@insightbb.com>
Date:	Tue, 3 Jul 2007 01:42:35 -0400
From:	Dmitry Torokhov <dtor@...ightbb.com>
To:	Pavel Machek <pavel@....cz>
Cc:	Andi Kleen <ak@...e.de>, Indan Zupancic <indan@....nu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, bwalle@...e.de
Subject: Re: blink driver power saving

On Monday 02 July 2007 19:08, Pavel Machek wrote:
> On Mon 2007-07-02 14:39:27, Andi Kleen wrote:
> > 
> > > > Perhaps one of you geniuses who all hate it can find a better way to
> > > > solve the "video output dead after kexec; but need visual feedback to the user
> > > > while crash dumping" problem. I'm waiting for your patches.
> > > >
> > > 
> > > I don't don't like it ;) Unfortunately too many people end up enabling
> > 
> > Yes that's pretty weird. I admit I hadn't expected
> > that problem. blink is equivalent to "annoy me" and it
> > is a mystery why so many people should willingly ask their computer to 
> > annoy them.
> 
> tristate "Keyboard blink driver"
> 
> ...drivers are not expected to act on their own. I was expecting to
> get nice /sys/class/led* interface to my keyboard leds.
> 
> BTW ... I still believe we should have /sys/class/led* interface to
> those leds. I'd like to make them blink with hdd activity on some
> machines... of course, that needs non-buggy KBC.

I'll take patches. Ofcourse we'll have to keep the current EV_LED interface
for compatibility.

-- 
Dmitry
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