On 11/23/21 03:15, Christian Helmuth wrote:
Hi John,
On Mon, Nov 22, 2021 at 19:19:01 CET, John J. Karcher wrote:
I was just wondering if anyone has had the itch to finish converting the
Wacom touchscreen / pen driver, possibly with the benefit of the newer Linux
driver conversion tools?
I've tried a couple of times, but it's beyond my skill set (and time to
learn).
I do not know of anybody working on Wacom drivers or considering to
integrate any missing pieces to the current usb_hid driver. We have
plans to put device drivers for Intel notebook platforms on our agenda
again in 2022. I'm not entirely sure if USB HID should be part of
this, at least not highest priority, as the current implementation
supports all devices available to us very well. First, we will
concentrate on the base drivers (e.g., XHCI) to support recent
notebook platforms.
Do you have experiments to share or just some details what is
missing from the current driver? Is Linux 4.16.3 supporting the device
your addressing? Are we talking about [1]?
[1] https://github.com/genodelabs/genode/issues/3997
It's related to that issue, but the crash has been fixed. The remaining
problem is that the hardware generates a variety of non-standard events,
which confuse nitpicker (e.g., puts it into a state where it no longer
responds to mouse clicks).
Unfortunately, I just tried using brute force (before the Genodians
articles about the new tooling), and don't have any useful results.
Do you think I might be able to borrow code from another driver? I
could try that, and see what happens. (I'm running a newer version of
Linux, but I assume that it's worked there for quite a while.)
Any ideas are welcome!
Thanks!
John J. Karcher
[email protected]
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