Re: [PATCH] Input: i8042 - add Dell Vostro 1520 and 1720 to thereset list

From: Dmitry Torokhov
Date: Mon Nov 30 2009 - 04:35:54 EST


On Thu, Nov 26, 2009 at 11:05:00AM +0100, Anisse Astier wrote:
> Hi Dmitry,
>
> Sorry for the badly threaded reply, I wasn't subscribed to the list and
> didn't ask explicitely to be Cc-ed.
>
> >On Wed, 25 Nov 2009 12:17:37 -0800, Dmitry Torokhov wrote:
> >Could youplease explain in more detail what the "bad state" is.
> >And what exactly do you mean by "first boot"? Cold boot? The very
> >first boot after assembling? Something else?
>
> By bad state I mean that neither touchpad nor keyboard are working. They
> are both unresponsive. You can fix this by adding i8042.reset on the
> kernel command line, or removing the battery and waiting long enough.
> By very first boot I mean when the laptops are received from Dell and
> booted in Linux.
>
> If you cold boot with a working non-Dell power supply (with same
> electrical characteristics), you can reproduce the "first boot" bug as
> much as you want, and laptops won't work unless you remove the battery
> and wait long enough OR add i8042.reset on the cmdline.
>

Ok, I see... what about 1320? I did a quick round of googling and it
seem to have the similar issue...

--
Dmitry
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