From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: contacto@bazaes.cl
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Input: synaptics - add LEN2058 to SMBus passlist for ThinkPad E490
Date: Wed, 13 May 2026 14:27:44 -0700 [thread overview]
Message-ID: <agTso46UcMSGaIYx@google.com> (raw)
In-Reply-To: <20260513045749.185969-1-contacto@bazaes.cl>
On Wed, May 13, 2026 at 12:57:44AM -0400, contacto@bazaes.cl wrote:
> From: Nicolás Bazaes <contacto@bazaes.cl>
>
> The Lenovo ThinkPad E490 (PNP ID: LEN2058) has a Synaptics TM3471-020
> touchpad that supports SMBus/RMI4 mode but is not listed in
> smbus_pnp_ids[]. Without this entry, psmouse ignores the
> synaptics_intertouch parameter and falls back to PS/2 mode even when
> explicitly requested.
>
> Adding LEN2058 to the passlist enables RMI4 over SMBus, which provides
> better multitouch support and matches the behavior of similar ThinkPad
> models already in the list (E480/LEN2054, E580/LEN2055).
>
> Tested on ThinkPad E490 with kernel 7.0.5-zen1 and Arch Linux.
>
> Signed-off-by: Nicolás Bazaes <contacto@bazaes.cl>
> Assisted-by: Claude <claude.ai>
Thank you for the patch. From checkpatch.pl:
WARNING: Assisted-by expects 'AGENT_NAME:MODEL_VERSION [TOOL1] [TOOL2]' format
Thanks.
--
Dmitry
next prev parent reply other threads:[~2026-05-13 21:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-13 4:57 [PATCH] Input: synaptics - add LEN2058 to SMBus passlist for ThinkPad E490 contacto
2026-05-13 21:27 ` Dmitry Torokhov [this message]
2026-05-14 1:35 ` [PATCH v2] " contacto
2026-05-14 1:22 ` [PATCH] " sashiko-bot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=agTso46UcMSGaIYx@google.com \
--to=dmitry.torokhov@gmail.com \
--cc=contacto@bazaes.cl \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.