Re: [PATCH v2 1/2] Input: atkbd - Make it possible to apply atkbd.reset via kernel quirk

From: Greg KH
Date: Tue Feb 28 2023 - 02:34:26 EST


On Mon, Feb 27, 2023 at 07:59:06PM +0100, Werner Sembach wrote:
> atkbd.reset was only a command line parameter. Some devices might have a
> known bug that can be worked around by just permanently applying this
> quirk.
>
> This patch adds the ability to do this on the kernel level for known buggy
> devices.
>
> Signed-off-by: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
> drivers/input/keyboard/atkbd.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
> index 246958795f60..ef65c46c4efe 100644
> --- a/drivers/input/keyboard/atkbd.c
> +++ b/drivers/input/keyboard/atkbd.c
> @@ -1731,6 +1731,12 @@ static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id)
> return 1;
> }
>
> +static int __init atkbd_reset_fixup(const struct dmi_system_id *id)
> +{
> + atkbd_reset = true;
> + return 1;

Why is this returning 1? Who calls this?

And this should be a per-device attribute, not a global one, right?

thanks,

greg k-h