linux-kernel - Re: [PATCH] Input: i8042 - add Dell Vostro 1520 and 1720 to the reset list

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Message-ID: <20091130093544.GH10295@core.coreip.homeip.net>
Date:	Mon, 30 Nov 2009 01:35:44 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Anisse Astier <anisse@...ier.eu>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: i8042 - add Dell Vostro 1520 and 1720 to the
	reset list

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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