New subject: [Bug 52422] USB CH Pro Pedals do not show up as a joystick device in 7.0

20 Jan 2022

      https://bugs.winehq.org/show_bug.cgi?id=52422

            Bug ID: 52422
           Summary: USB CH Pro Pedals do not show up as a joystick device
                    in 7.0
           Product: Wine
           Version: 7.0
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: hid
          Assignee: wine-bugs(a)winehq.org
          Reporter: twhitehead(a)gmail.com
      Distribution: ---

Created attachment 71679
  --> https://bugs.winehq.org/attachment.cgi?id=71679
Full trace.log file

Using the just released wine 7.0, I no longer see my Pro Pedals as a joystick
device (e.g., in the control panel). I expect this is related to all the
joystick input device stack work that occurred in this release.

I know that it is enumerating/processing my /dev/input/event* devices, as, if I
manually make them all read/writable (instead of the system default which is
just the Pro Pedals one), then my Wacom tablet shows up as a joystick device in
the control panel.

I am totally guessing, but maybe there is an issue properly categorizing the
device? I know in the past, in other projects, it has been misclassified due to
not having any buttons.

Anyway, I looked through the code, but couldn't really follow it other than
noting that it does look at the udev classification. Here is what my udev is
reporting

tyson(a)tux ~> udevadm info /dev/input/event14
...
E: ID_INPUT=1
E: ID_INPUT_ACCELEROMETER=0
E: ID_INPUT_JOYSTICK=1
E: ID_VENDOR=CH_PRODUCTS
E: ID_VENDOR_ENC=CH\x20PRODUCTS
E: ID_VENDOR_ID=068e
E: ID_MODEL=CH_PRO_PEDALS_USB
E: ID_MODEL_ENC=CH\x20PRO\x20PEDALS\x20USB\x20
E: ID_MODEL_ID=00f2
E: ID_REVISION=0000
E: ID_SERIAL=CH_PRODUCTS_CH_PRO_PEDALS_USB

Here you can see systemd has granted my account full read/write access to the
device due to its classification

tyson(a)tux ~> getfacl /dev/input/event14
...
user:tyson:rw-
group::rw-
mask::rw-
...

And here is a partial dump of starting the control panel (full trace is
attached) showing it is successfully opening the device and making various
ioctl calls to enumerate its capabilities

tyson(a)tux ~> strace -ff -s 4096 -P /dev/input/event14 -E
WINEDEBUG=+dinput,+hid,+plugplay wine control 2>&1 | tee trace.log
...
009c:trace:hid:bus_main_thread L"SDL" main loop starting
009c:trace:hid:sdl_bus_init args 0xd8f6b4
[pid 1861507] fstatat64(AT_FDCWD, "/dev/input/event14", {st_mode=S_IFCHR|0660,
st_rdev=makedev(0xd, 0x4e), ...}, 0) = 0
[pid 1861507] openat(AT_FDCWD, "/dev/input/event14", O_RDONLY) = 40
[pid 1861507] ioctl(40, EVIOCGBIT(0, 4), [EV_SYN EV_ABS]) = 4
[pid 1861507] ioctl(40, EVIOCGBIT(EV_KEY, 96), []) = 96
[pid 1861507] ioctl(40, EVIOCGBIT(EV_REL, 4), []) = 4
[pid 1861507] ioctl(40, EVIOCGBIT(EV_ABS, 8), [ABS_X ABS_Y ABS_Z]) = 8
[pid 1861507] close(40)                 = 0
[pid 1861507] fstatat64(AT_FDCWD, "/dev/input/event14", {st_mode=S_IFCHR|0660,
st_rdev=makedev(0xd, 0x4e), ...}, 0) = 0
[pid 1861507] openat(AT_FDCWD, "/dev/input/event14", O_RDWR) = 39
[pid 1861507] ioctl(39, EVIOCGBIT(EV_FF, 128), []) = 16
[pid 1861507] close(39)                 = 0
009c:trace:hid:bus_main_thread L"SDL" main loop started
...

Here is a dump of the HID info

root(a)tux /h/tyson# usbhid-dump -m 068e
003:059:000:DESCRIPTOR         1642627470.833610
 05 01 09 04 A1 01 05 01 09 01 A1 00 09 30 09 31
 09 32 15 00 26 FF 00 75 08 95 03 81 02 C0 C0

root(a)tux /h/tyson# usbhid-dump -m 068e | grep -v : | xxd -r -p | hidrd-convert
-o spec
Usage Page (Desktop),           ; Generic desktop controls (01h)
Usage (Joystick),               ; Joystick (04h, application collection)
Collection (Application),
    Usage Page (Desktop),       ; Generic desktop controls (01h)
    Usage (Pointer),            ; Pointer (01h, physical collection)
    Collection (Physical),
        Usage (X),              ; X (30h, dynamic value)
        Usage (Y),              ; Y (31h, dynamic value)
        Usage (Z),              ; Z (32h, dynamic value)
        Logical Minimum (0),
        Logical Maximum (255),
        Report Size (8),
        Report Count (3),
        Input (Variable),
    End Collection,
End Collection

I am happy to provide any other details that I can/run any test you want. Just
let me know.

Thanks!  -Tyson

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[Bug 52422] New: USB CH Pro Pedals do not show up as a joystick device in 7.0

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