From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Vishal Tyagi <vishalxtyagi.oss@gmail.com>
Cc: Markus Rathgeb <maggu2810@mailbox.org>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] Revert "Input: synaptics - enable SMBus for HP Elitebook 850 G1"
Date: Fri, 13 Nov 2026 08:00:53 -0800 [thread overview]
Message-ID: <9594e8428a3fbc94e515c9dad2268009@gmail.com> (raw)
In-Reply-To: <179399405216.85438.8327280593401118083@gmail.com>
Hi Vishal,
On Sat, Nov 07, 2026 at 01:10:52AM +0530, Vishal Tyagi wrote:
> Commit f04f03d3e99b ("Input: synaptics - enable SMBus for HP Elitebook 850 G1")
> added PNP ID "SYN3003" to smbus_pnp_ids[] to enable SMBus/InterTouch mode.
>
> However, on Haswell-generation HP EliteBooks sharing this touchpad controller
> (including HP EliteBook 840 G1 and HP EliteBook 850 G1), the touchpad fails
> to resume after ACPI S3 suspend:
>
> rmi4_smbus 0-002c: failed to get SMBus version number!
> rmi4_f01 rmi4-00.fn01: Resume failed with code -6.
> rmi4_physical: Failed to resume rmi4-00: -6
Could you please try the patch recently posted by Markus Rathgeb (CCed)
that retries reading the SMBus version on -ENXIO during resume, and see
if it resolves the S3 resume issue on your EliteBook without reverting
SMBus support:
https://lore.kernel.org/linux-input/20261105204953.69572-1-maggu2810@mailbox.org/
Thanks.
--
Dmitry
prev parent reply other threads:[~2026-11-13 16:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-06 19:40 [PATCH] Revert "Input: synaptics - enable SMBus for HP Elitebook 850 G1" Vishal Tyagi
2026-11-13 16:00 ` Dmitry Torokhov [this message]
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