Re: USB keyboard backlight powering down.

Michael Spang
2012-10-16T16:46:19Z

On Tue, Oct 16, 2012 at 11:20 AM, Dave Jones <davej@redhat.com> 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@chromium.org>
> 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.

Thanks,
Michael