linux-kernel - Re: [PATCH] Input: i8042 - add noloop quirk for Acer P459-G2-M

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Date:   Wed, 29 Nov 2023 09:46:21 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Esther Shimanovich <eshimanovich@...omium.org>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     linux-input@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jonathan Denose <jdenose@...omium.org>,
        Mattijs Korpershoek <mkorpershoek@...libre.com>,
        Werner Sembach <wse@...edocomputers.com>
Subject: Re: [PATCH] Input: i8042 - add noloop quirk for Acer P459-G2-M

Hi,

On 11/28/23 22:48, Esther Shimanovich wrote:
> On the Acer P450-G2-M, after the user opens the laptop lid and the device
> resumes from S3 deep sleep, the screen remains dark for a few seconds.
> If the user presses a keyboard key while the screen is still dark, the
> mouse and keyboard stop functioning.
> 
> To fix this bug, enable the noloop quirk.
> 
> Signed-off-by: Esther Shimanovich <eshimanovich@...omium.org>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans



> ---
> 
>  drivers/input/serio/i8042-acpipnpio.h | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
> index 028e45bd050bf..b81539bacb931 100644
> --- a/drivers/input/serio/i8042-acpipnpio.h
> +++ b/drivers/input/serio/i8042-acpipnpio.h
> @@ -941,6 +941,14 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
>  		},
>  		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
>  	},
> +	{
> +		/* Acer TravelMate P459-G2-M */
> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate P459-G2-M"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
> +	},
>  	{
>  		/* ULI EV4873 - AUX LOOP does not work properly */
>  		.matches = {