[Bug 255461] multimedia/webcamd: update xpad driver
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Wed Apr 28 13:35:09 UTC 2021
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255461
Bug ID: 255461
Summary: multimedia/webcamd: update xpad driver
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: Individual Port(s)
Assignee: hselasky at FreeBSD.org
Reporter: divVerent at gmail.com
Flags: maintainer-feedback?(hselasky at FreeBSD.org)
Assignee: hselasky at FreeBSD.org
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Minimal patch (but see description)
I have a game pad (the current PowerA Xbox One one) that is not supported by
the version of xpad.c included with webcamd.
The Linux commit that fixed things for me is this one:
https://github.com/torvalds/linux/commit/9bbd77d5bbc9aff8cb74d805c31751f5f0691ba8
A minimal fix for my concrete gamepad (USB 20d6:2802) is simply adding an
XPAD_XBOXONE_VENDOR(0x20d6) line into xpad.c (attached).
Would prefer a full sync with current Linux xpad.c, of course, see
https://github.com/torvalds/linux/blob/master/drivers/input/joystick/xpad.c -
ideally just with a newer Linux kernel base. From looking at a diff of Linux'
current xpad.c and the xpad.c from 5.10-rc6, which this port uses, it seems
like the only changes were some minor refactoring (probably a kernel API
change) and lots of added devices.
Tested with a game that uses the ebiten game library and a patched go-gl/glfw
(requires https://github.com/go-gl/glfw/pull/318). Likely gonna work with SDL
and RetroArch too, haven't tested though.
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