From: Lovekesh Solanki <lovekeshsolanki00@gmail.com>
To: Eduardo Henrique Teixeira <ehstbr@gmail.com>
Cc: linux-input@vger.kernel.org, dmitry.torokhov@gmail.com
Subject: Re: [BUG] ThinkPad T490 Synaptics TM3471-020 input lag and missed taps with SMBus/RMI4
Date: Sun, 1 Nov 2026 21:05:27 +0530 [thread overview]
Message-ID: <audS8Nb1wnifhCpr@eggarch> (raw)
In-Reply-To: <CAASp5sxs8o0rAe38Q4YZqK+F6st6TvxKSOR2RoKY9b1-gQCuow@mail.gmail.com>
Hi thanks for the report,
On Fri, Oct 30, 2026 at 06:10:50PM -0700, Eduardo Henrique Teixeira wrote:
> Potentially related upstream change:
>
> Commit a961417c5ae77bbb728a23d9577ecd8f4d8a4b5a
>
> “Input: synaptics - add LEN205b entry to smbus_pnp_ids for ThinkPad T490”
>
> https://lkml.iu.edu/2609.2/11883.html
This was only added because the original reporter confirmed Intertouch
worked well on their device.
You said it happens more frequently while charging, so I wonder if PM is
involved.
Could you try reproducing after warm and cold boots?
And also with disabling runtime PM for the device?
Regards,
Lovekesh
parent reply other threads:[~2026-11-01 15:35 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <CAASp5sxs8o0rAe38Q4YZqK+F6st6TvxKSOR2RoKY9b1-gQCuow@mail.gmail.com>]
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=audS8Nb1wnifhCpr@eggarch \
--to=lovekeshsolanki00@gmail.com \
--cc=dmitry.torokhov@gmail.com \
--cc=ehstbr@gmail.com \
--cc=linux-input@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.