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From:
Marcus Glocker <marcus@nazgul.ch>
Subject:
Re: Touchscreen support for the Samsung Galaxy Book4 Edge
To:
"Kirill A. Korinsky" <kirill@korins.ky>
Cc:
tech@openbsd.org
Date:
Sat, 23 May 2026 16:05:44 +0200

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On Sat, May 23, 2026 at 12:01:48PM +0200, Kirill A. Korinsky wrote:

> On Sat, 23 May 2026 07:50:48 +0200,
> Marcus Glocker <marcus@nazgul.ch> wrote:
> > 
> > Thanks.  If you apply the following diff on top of the last full diff
> > (without the last debug diff), does it change anything?  dmesg shouldn't
> > change.
> > 
> 
> I've used a fresh and clean local root without any patches as baseline,
> touchscreen works. After that I applied two patchs, as you requests:
> 1. https://marc.info/?l=openbsd-tech&m=177947245288371&w=2
> 2. https://marc.info/?l=openbsd-tech&m=177951551807399&w=2
> 
> after reboot no touchscreen :(

OK, thanks for testing.  I think the changes are too invasive, and
difficult to test remotely.  I will try to get minimal touchscreen
support for the Samsung by letting it still attach to ims(4).
Eventually the ihidev(4) fix is sufficient.  I'll (hopefully) come
back with a new diff for regression testing.