linux-kernel - Re: [PATCH] Input: synaptics: enable InterTouch for ThinkPad L14 G1

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Date:   Mon, 16 Oct 2023 18:51:54 +0300
From:   José Pekkarinen <jose.pekkarinen@...hound.fi>
To:     dmitry.torokhov@...il.com, rydberg@...math.org,
        skhan@...uxfoundation.org
Cc:     amandhoot12@...il.com, rrangel@...omium.org,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [PATCH] Input: synaptics: enable InterTouch for ThinkPad L14 G1

On 2023-10-08 11:01, José Pekkarinen wrote:
> Observed on dmesg of my laptop I see the following
> output:
> 
> [   19.898700] psmouse serio1: synaptics: queried max coordinates: x
> [..5678], y [..4694]
> [   19.936057] psmouse serio1: synaptics: queried min coordinates: x
> [1266..], y [1162..]
> [   19.936076] psmouse serio1: synaptics: Your touchpad (PNP: LEN0411
> PNP0f13) says it can support a different bus. If i2c-hid and hid-rmi
> are not used, you might want to try setting
> psmouse.synaptics_intertouch to 1 and report this to
> linux-input@...r.kernel.org.
> [   20.008901] psmouse serio1: synaptics: Touchpad model: 1, fw:
> 10.32, id: 0x1e2a1, caps: 0xf014a3/0x940300/0x12e800/0x500000, board
> id: 3471, fw id: 2909640
> [   20.008925] psmouse serio1: synaptics: serio: Synaptics
> pass-through port at isa0060/serio1/input0
> [   20.053344] input: SynPS/2 Synaptics TouchPad as
> /devices/platform/i8042/serio1/input/input7
> [   20.397608] mousedev: PS/2 mouse device common for all mice
> 
> This patch will add its pnp id to the smbus list to
> produce the setup of intertouch for the device. After
> applying, the ouput will look like:
> 
> [   19.168664] psmouse serio1: synaptics: queried max coordinates: x
> [..5678], y [..4694]
> [   19.206311] psmouse serio1: synaptics: queried min coordinates: x
> [1266..], y [1162..]
> [   19.206325] psmouse serio1: synaptics: Trying to set up SMBus access
> [   19.209545] psmouse serio1: synaptics: SMbus companion is not ready 
> yet
> [   19.283845] psmouse serio1: synaptics: Touchpad model: 1, fw:
> 10.32, id: 0x1e2a1, caps: 0xf014a3/0x940300/0x12e800/0x500000, board
> id: 3471, fw id: 2909640
> [   19.283863] psmouse serio1: synaptics: serio: Synaptics
> pass-through port at isa0060/serio1/input0
> [   19.328959] input: SynPS/2 Synaptics TouchPad as
> /devices/platform/i8042/serio1/input/input8
> [   19.706164] mousedev: PS/2 mouse device common for all mice
> 
> Signed-off-by: José Pekkarinen <jose.pekkarinen@...hound.fi>
> ---
>  drivers/input/mouse/synaptics.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/input/mouse/synaptics.c 
> b/drivers/input/mouse/synaptics.c
> index ada299ec5bba..376a041c80b2 100644
> --- a/drivers/input/mouse/synaptics.c
> +++ b/drivers/input/mouse/synaptics.c
> @@ -183,6 +183,7 @@ static const char * const smbus_pnp_ids[] = {
>  	"LEN009b", /* T580 */
>  	"LEN0402", /* X1 Extreme Gen 2 / P1 Gen 2 */
>  	"LEN040f", /* P1 Gen 3 */
> +	"LEN0411", /* L14 Gen 1 */
>  	"LEN200f", /* T450s */
>  	"LEN2044", /* L470  */
>  	"LEN2054", /* E480 */

     Any comments here?

     Thanks!

     José.