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Old 03-08-2010, 04:33 PM
Tim Gardner
 
Default SRU Request - laptop touchpad probing for buggy controllers

On 03/08/2010 08:41 AM, Colin King wrote:
> From: Colin Ian King<colin.king@canonical.com>
>
> BugLink: http://bugs.launchpad.net/bugs/534448
>
> SRU justifaction:
>
> Impact: Laptops touchpads do not get detected and hence do not work
> if they have a buggy implementation of the AUX loop command. There
> seem to a quite a lot of contollers coming onto the market with these
> issues, so it will affect quite a wide range of netbooks and laptops.
>
> Fix: see attached patch (backport of upstream commit
> 1c7827ae70e7c8456e08f7bb9ef2238d27814cbe). Note that fix is being
> used by the Lucid kernel.
>
> Testcase: With the patch, the AUX IRQ delivery test is bypassed and
> the touchpad works.
>
>
> Colin Ian King (1):
> UBUNTU: Input: i8042 - bypass AUX IRQ delivery test on laptops
>
> drivers/input/serio/i8042-x86ia64io.h | 33 +++++++++++++++++++++++++++++++++
> drivers/input/serio/i8042.c | 4 +++-
> 2 files changed, 36 insertions(+), 1 deletions(-)
>
>

Looks righteous.

Acked-by: Tim Gardner <tim.gardner@canonical.com>

--
Tim Gardner tim.gardner@canonical.com

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