Re: blink driver power saving

From: Indan Zupancic
Date: Mon Jul 02 2007 - 07:43:41 EST


On Mon, July 2, 2007 01:59, Andi Kleen wrote:
> Well only those that could be already hung from user space
> with setleds (that was also confirmed). Actually I thought
> they didn't hang completely, but just stopped reacting to
> the keyboard (which is actually pretty bad for every user
> to be able to trigger)

Pavel's lost key events, mine stopped reacting altogether.

> I guess the better way to handle those would be to find out the
> minimum frequency of blinking that is still ok and rate limit it to that in
> the keyboard driver.

Dmitry already has a patch for that. He limited it to one event each 50 ms.

> Anyways, Stephen's patch just doesn't make sense:
> he clearly didn't understand the code at all. Before you
> apply it and cripple it better drop the driver completely.

CC'ing Dmitry, as I think he doesn't like the blink driver much either. ;-)

Greetings,

Indan


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