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>]
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