Re: USB keyboard backlight powering down.

From: Michael Spang
Date: Tue Oct 16 2012 - 12:46:08 EST

On Tue, Oct 16, 2012 at 11:20 AM, Dave Jones <davej@xxxxxxxxxx> wrote:
> Gerry (CC'd) reported a bug to us that since 3.6.1, his illuminated
> Logitech USB keyboard doesn't light up until he hits a key, and then
> it immediately powers back off, defeating the purpose of having an
> illumated keyboard.
> Looking over the 3.6.1 changelog, I see this change, which sounds
> like it might be responsible ?
> commit ee537508bdc0c00b96ac497f3d82a68f820e6182
> Author: Michael Spang <spang@xxxxxxxxxxxx>
> Date: Fri Sep 14 13:05:49 2012 -0400
> Increase XHCI suspend timeout to 16ms

I don't think this is related to your problem, as this patch is in
suspend/resume code. It just allows the controller more time to halt.

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