linux-kernel - Re: [patch 16/54] Input: i8042 - fix AUX port detection with some chips

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Date:	Fri, 08 Jun 2007 12:52:17 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Chris Wright <chrisw@...s-sol.org>
CC:	linux-kernel@...r.kernel.org, stable@...nel.org,
	Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	"Theodore Ts'o" <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Domenico Andreoli <cavokz@...il.com>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Daniel Drake <dsd@...too.org>,
	Roland Scheidegger <sroland@...gstengraphics.com>,
	Dmitry Torokhov <dtor@...l.ru>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [patch 16/54] Input: i8042 - fix AUX port detection with some
 chips

On 06/08/2007 03:21 AM, Chris Wright wrote:
> -stable review patch.  If anyone has any objections, please let us know.
> ---------------------
> 
> From: Roland Scheidegger <sroland@...gstengraphics.com>
> 
> The i8042 driver fails detection of the AUX port with some chips,
> because they apparently do not change the I8042_CTR_AUXDIS bit
> immediately. This is known to affect at least HP500/HP510 notebooks,
> consequently the built-in touchpad will not work. The patch will simply
> reread the value until it gets the expected value or a retry limit is
> hit, without touching other workaround code in the same area.
> 
> Signed-off-by: Roland Scheidegger <sroland@...gstengraphics.com>
> Signed-off-by: Dmitry Torokhov <dtor@...l.ru>
> Signed-off-by: Chris Wright <chrisw@...s-sol.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
> ---
> X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=d2ada5597d33a9108acb2caf912f85cbc9caab1e
> 

Also needed for 2.6.20.

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