linux-kernel - Re: [PATCH v2] AMD_SFH: Add a DMI quirk entry for Chromebooks

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Message-ID: <9f6f77f2-7a46-7735-2be8-c39e39e6af22@amd.com>
Date:   Fri, 15 Jul 2022 00:14:47 +0530
From:   Basavaraj Natikar <bnatikar@....com>
To:     Akihiko Odaki <akihiko.odaki@...il.com>
Cc:     Basavaraj Natikar <basavaraj.natikar@....com>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mario Limonciello <mario.limonciello@....com>
Subject: Re: [PATCH v2] AMD_SFH: Add a DMI quirk entry for Chromebooks


On 7/14/2022 11:07 AM, Akihiko Odaki wrote:
> Google Chromebooks use Chrome OS Embedded Controller Sensor Hub instead
> of Sensor Hub Fusion and leaves MP2 uninitialized, which disables all
> functionalities, even including the registers necessary for feature
> detections.
>
> The behavior was observed with Lenovo ThinkPad C13 Yoga.

We are checking for few things with respect to this issue
internally.

Please hold on this patch. we will get back soon.

Thanks,
Basavaraj