linux-kernel - Re: [PATCH] Input: elantech - fix fast

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Date:   Wed, 4 Oct 2023 19:13:24 -0500
From:   Jeffery Miller <jefferymiller@...gle.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     regressions@...ts.linux.dev, benjamin.tissoires@...hat.com,
        linux@...mhuis.info, Andrew Duggan <aduggan@...aptics.com>,
        Andrew Duggan <andrew@...gan.us>, loic.poulain@...aro.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Input: elantech - fix fast_reconnect callback in ps2 mode

Dmitry,

On Wed, Oct 4, 2023 at 9:11 AM Dmitry Torokhov
<dmitry.torokhov@...il.com> wrote:
>
> In fact, now that I think about it more, we should rework the original
> patch that added the delay, so that we do not wait these 30 msec in the
> "fast" reconnect handler. It turns out your original approach was
> better, but we should not be using retries, but rather the existing
> reset_delay_ms already defined in rmi platform data. I would appreciate
> if you try the draft patch at the end of this email (to be applied after
> reverting your original one adding the delay in psmouse-smbus.c).

I tested the draft patch and it works. I did revert the previous delay
patch while testing it.

>
> I think we need a similar change in synaptics.c as that one also can
> fall back to PS/2 mode.
>
Ah, good point, yes it does appear this needs to be done as well.
I have tested and will post an new version of the patch to include
the fix in synaptics.c as well.

Thanks,
Jeff