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From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: David Heidelberg <david@ixit.cz>
Cc: linux-input@vger.kernel.org,
	 Linux Next Mailing List <linux-next@vger.kernel.org>
Subject: Re: [regression] synaptics-rmi4: Failed to read the Control Register Descriptor: EIO
Date: Fri, 26 Jun 2026 14:18:40 -0700	[thread overview]
Message-ID: <aj7saJXgFX--gP_8@google.com> (raw)
In-Reply-To: <de6d34b7-619c-46bd-a6e3-a3917b318571@ixit.cz>

Hi David,

On Fri, Jun 26, 2026 at 11:09:54PM +0200, David Heidelberg wrote:
> With next-20260626 without any additional patches, the synaptics fails on
> OnePlus 6T with:
> 
> ```
> [   16.620292] rmi4_i2c 12-0020: registering I2C-connected sensor
> [   16.857617] rmi4_f01 rmi4-00.fn01: found RMI device, manufacturer:
> Synaptics, product: S3706B, fw id: 2852315
> [   16.867324] rmi4_f12 rmi4-00.fn12: Failed to read the Control Register
> Descriptor: -5
> [   16.867338] rmi4_f12 rmi4-00.fn12: probe with driver rmi4_f12 failed with
> error -5
> ```

Yes, at least a98518e72439 "Input: rmi4 - fix register descriptor address
calculation" is wrong and needs to be reverted.

Thanks.

-- 
Dmitry

      reply	other threads:[~2026-06-26 21:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-26 21:09 [regression] synaptics-rmi4: Failed to read the Control Register Descriptor: EIO David Heidelberg
2026-06-26 21:18 ` Dmitry Torokhov [this message]

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