SRU request for LP#21558

[Stefan Bader]

Colin Ian King wrote:
> https://bugs.launchpad.net/ubuntu/+bug/21558
> 
> SRU Justification
>  
> Impact: Regression for ThinkPad R31 (IBM 2656) with buggy embedded
> controller/keyboard combo chip causing erratic pointer movement.
> 
> Fix description: Simple patch that blacklists IBM 2656 in serio/i8042
> 
> Originally blacklisted in 6.06, (see
> https://lists.ubuntu.com/archives/kernel-team/2006-June/000916.html )
> but omitted from Hardy.
> 
> diff --git a/drivers/input/serio/i8042-x86ia64io.h
> b/drivers/input/serio/i8042-x86ia64io.h
> index c5e68dc..bde78a9 100644
> --- a/drivers/input/serio/i8042-x86ia64io.h
> +++ b/drivers/input/serio/i8042-x86ia64io.h
> @@ -270,6 +270,13 @@ static struct dmi_system_id __initdata
> i8042_dmi_nomux_table[] = {
>                         DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737
> platform"),
>                 },
>         },
> +       {
> +               .ident = "IBM 2656",
> +               .matches = {
> +                       DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
> +                       DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
> +               },
> +       },
>         { }
>  };
> 
> 
> 
Ack from me.