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From: Lovekesh Solanki <lovekeshsolanki00@gmail.com>
To: heiko.brey@gmx.de
Cc: linux-input@vger.kernel.org
Subject: Re: i8042: Fujitsu LIFEBOOK U7410 needs i8042.nomux (keyboard and touchpad dead)
Date: Sat, 19 Sep 2026 23:59:29 +0530	[thread overview]
Message-ID: <aq7SdGsoL82CFBZp@eggarch> (raw)
In-Reply-To: <89f36f3f5e4c2d07b9ff72bc0b355875c336e498.camel@gmx.de>

Hi thanks for the report,

On Sat, Sep 19, 2026 at 11:52:19AM +0200, Heiko Brey wrote:
> What I tried:
>   - i8042.nopnp i8042.reset: no change
>   - i8042.nomux=1 i8042.reset: keyboard and touchpad work, on warm and
>     cold boot. The multiplexing message and the Spurious ACK messages
>     no longer appear.
>   (I have not tested i8042.nomux=1 without i8042.reset.)
> 
> Could a DMI quirk with nomux be added for this model?
Yes, but could you first see whether including the reset parameter is
needed? Or it works just with nomux=1 so we won't include unneeded
quirks in the patch.

Thanks,
Lovekesh

  reply	other threads:[~2026-09-19 18:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-19  9:52 i8042: Fujitsu LIFEBOOK U7410 needs i8042.nomux (keyboard and touchpad dead) Heiko Brey
2026-09-19 18:29 ` Lovekesh Solanki [this message]
2026-09-20  8:03   ` Heiko Brey
2026-09-20 11:18     ` Lovekesh Solanki

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