linux-kernel - Re: [PATCH v5 4/4] input/i8042: Add TUXEDO devices to i8042 quirk tables

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Date:   Tue, 28 Jun 2022 22:36:27 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Werner Sembach <wse@...edocomputers.com>
Cc:     tiwai@...e.de, mpdesouza@...e.com, arnd@...db.de,
        hdegoede@...hat.com, samuel@...oj.net, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 4/4] input/i8042: Add TUXEDO devices to i8042 quirk
 tables

Hi Werner,

On Tue, Mar 29, 2022 at 04:36:22PM +0200, Werner Sembach wrote:
> A lot of modern Clevo barebones have touchpad and/or keyboard issues after
> suspend fixable with nomux + reset + noloop + nopnp. Luckily, none of them
> have an external PS/2 port so this can safely be set for all of them.
> 
> I'm not entirely sure if every device listed really needs all four quirks,
> but after testing and production use. No negative effects could be
> observed when setting all four.
> 
> The list is quite massive as neither the TUXEDO nor the Clevo dmi strings
> have been very consistent historically. I tried to keep the list as short
> as possible without risking on missing an affected device.
> 
> This is revision 3. The Clevo N150CU barebone is still removed as it might
> have problems with the fix and needs further investigations. The
> SchenkerTechnologiesGmbH System-/Board-Vendor string variations are
> added. This is now based in the quirk table refactor. This now also
> includes the additional noaux flag for the NS7xMU.
> 
> Signed-off-by: Werner Sembach <wse@...edocomputers.com>
> Cc: stable@...r.kernel.org
> ---
>  drivers/input/serio/i8042-x86ia64io.h | 125 ++++++++++++++++++++++++++
>  1 file changed, 125 insertions(+)
> 
> diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
> index 5c0eb5594fb1..a59c6aba7c75 100644
> --- a/drivers/input/serio/i8042-x86ia64io.h
> +++ b/drivers/input/serio/i8042-x86ia64io.h
> @@ -1025,6 +1025,25 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
>  		},
>  		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
>  	},
> +	/*
> +	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
> +	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
> +	 * none of them have an external PS/2 port so this can savely be set for

s/savely/safely/

> +	 * all of them. These two are based on a Clevo design, but have the
> +	 * board_name changed.
> +	 */
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
> +			DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
> +		},

Don't you need to set driver_data here and below?

> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
> +			DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
> +		},
> +	},
>  	{
>  		/* Mivvy M310 */
>  		.matches = {
> @@ -1054,6 +1073,112 @@ static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
>  		},
>  		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
>  	},
> +	/*
> +	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
> +	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
> +	 * none of them have an external PS/2 port so this can savely be set for

safely

> +	 * all of them.
> +	 * Clevo barebones come with board_vendor and/or system_vendor set to
> +	 * either the very generic string "Notebook" and/or a different value
> +	 * for each individual reseller. The only somewhat universal way to
> +	 * identify them is by board_name.
> +	 */
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "LAPQC71A"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "LAPQC71B"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "N140CU"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "N141CU"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "NH5xAx"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	/*
> +	 * At least one modern Clevo barebone has the touchpad connected both
> +	 * via PS/2 and i2c interface. This causes a race condition between the
> +	 * psmouse and i2c-hid driver. Since the full capability of the touchpad
> +	 * is available via the i2c interface and the device has no external
> +	 * PS/2 port, it is save to just ignore all ps2 mouses here to avoid

safe

> +	 * this issue. The know affected device is the

known

> +	 * TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU which comes with one of
> +	 * the two different dmi strings below. NS50MU is not a typo!
> +	 */
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "NS50MU"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
> +					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
> +					SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "NS50_70MU"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
> +					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
> +					SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "PB50_70DFx,DDx"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "X170SM"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
> +	{
> +		.matches = {
> +			DMI_MATCH(DMI_BOARD_NAME, "X170KM-G"),
> +		},
> +		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
> +					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
> +	},
>  	{ }
>  };
>  
> -- 
> 2.25.1
> 

Thanks.

-- 
Dmitry