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

Chuck Ebbert
2007-06-08T17:14:09Z

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@tungstengraphics.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@tungstengraphics.com>
> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
> Signed-off-by: Chris Wright <chrisw@sous-sol.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.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.