Re: [PATCH v4 2/2] i8042: Use new forcenorestore quirk to replace old buggy quirk combination

From: Hans de Goede
Date: Fri Jan 05 2024 - 14:39:21 EST


Hi,

On 1/4/24 19:31, Werner Sembach wrote:
> The old quirk combination sometimes cause a laggy keyboard after boot. With
> the new quirk the initial issue of an unresponsive keyboard after s3 resume
> is also fixed, but it doesn't have the negative side effect of the
> sometimes laggy keyboard.
>
> Signed-off-by: Werner Sembach <wse@xxxxxxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans



> ---
> drivers/input/serio/i8042-acpipnpio.h | 10 +---------
> 1 file changed, 1 insertion(+), 9 deletions(-)
>
> diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
> index 10ec4534e5e14..e631a26394e92 100644
> --- a/drivers/input/serio/i8042-acpipnpio.h
> +++ b/drivers/input/serio/i8042-acpipnpio.h
> @@ -1142,18 +1142,10 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
> SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> },
> {
> - /*
> - * Setting SERIO_QUIRK_NOMUX or SERIO_QUIRK_RESET_ALWAYS makes
> - * the keyboard very laggy for ~5 seconds after boot and
> - * sometimes also after resume.
> - * However both are required for the keyboard to not fail
> - * completely sometimes after boot or resume.
> - */
> .matches = {
> DMI_MATCH(DMI_BOARD_NAME, "N150CU"),
> },
> - .driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> - SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> + .driver_data = (void *)(SERIO_QUIRK_FORCENORESTORE)
> },
> {
> .matches = {