[Bug 290984] usbhid: 8BitDo Adapter 2 doesn't work
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Date: Wed, 12 Nov 2025 21:33:50 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290984
Bug ID: 290984
Summary: usbhid: 8BitDo Adapter 2 doesn't work
Product: Base System
Version: 15.0-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: usb
Assignee: usb@FreeBSD.org
Reporter: ziaee@FreeBSD.org
The 8BitDo Adapter 2 is a $20 wireless dongle that works with current gen Xbox,
Nintendo and Playstation controllers. Youtubers used the previous version on
OpenBSD, but I'm trying to use the Adapter 2 with a Nintendo Switch Pro
controller with FreeBSD 15.0-BETA4. If I boot with it, I find these in my
dmesg:
`
[12.214969] ps4dshock0: <8BitDo 8BitDo Receiver> on hidbus0
[12.215683] ps4dshock0: detached
[12.224887] ps4dshock0: <8BitDo 8BitDo Receiver> on hidbus0
[12.225018] ps4dsacc0: <8BitDo 8BitDo Receiver Sensors> on hidbus0
[12.225706] ps4dsacc_attach: get feature report failed, error=5 (ignored)
[12.225796] ps4dshead0: <8BitDo 8BitDo Receiver Headset> on hidbus0
[12.225869] ps4dsmtp0: <8BitDo 8BitDo Receiver Touchpad> on hidbus0
`
If I remove the dongle, I get:
`
[1055.899817] ugen1.3: <8BitDo 8BitDo Receiver> at usbus1 (disconnected)
[1055.899842] usbhid0: at uhub0, port 6, addr 2 (disconnected)
[1055.900734] ps4dsmtp0: detached
[1055.900759] ps4dshead0: detached
[1055.900777] ps4dsacc0: detached
[1055.900879] ps4dshock0: detached
[1055.909705] hidbus0: detached
[1055.909748] usbhid0: detached
[1056.424999] ugen1.3: <8BitDo IDLE> at usbus1
[1056.425542] usbhid0 on uhub0
[1056.425559] usbhid0: <8BitDo IDLE, class 0/0, rev 1.10/2.00, addr 6> on
usbus1
[1056.425723] hidbus0: <HID bus> on usbhid0
[1080.687558] ugen1.3: <8BitDo IDLE> at usbus1 (disconnected)
[1080.687598] usbhid0: at uhub0, port 6, addr 6 (disconnected)
[1080.696709] hidbus0: detached
[1080.696778] usbhid0: detached
`
If I reattach the dongle:
`
[1335.883684] ugen1.3: <8BitDo 8BitDo Receiver> at usbus1
[1335.883994] usbhid0 on uhub0
[1335.884013] usbhid0: <8BitDo 8BitDo Receiver, rev 2.00/1.00, addr 16> on
usbus1
[1335.884338] hidbus0: <HID bus> on usbhid0
[1336.281325] ugen1.3: <8BitDo 8BitDo Receiver> at usbus1 (disconnected)
[1336.281356] usbhid0: at uhub0, port 8, addr 16 (disconnected)
[1336.289665] hidbus0: detached
[1336.289709] usbhid0: detached
[1336.769980] ugen1.3: <8BitDo Controller> at usbus1
[1336.770226] usbhid0 on uhub0
[1336.770239] usbhid0: <8BitDo Controller, rev 2.00/1.14, addr 17> on usbus1
[1336.770409] hidbus0: <HID bus> on usbhid0
[1337.167697] ugen1.3: <8BitDo Controller> at usbus1 (disconnected)
[1337.167737] usbhid0: at uhub0, port 8, addr 17 (disconnected)
[1337.176672] hidbus0: detached
[1337.176724] usbhid0: detached
[1337.710246] ugen1.3: <8BitDo IDLE> at usbus1
[1337.710777] usbhid0 on uhub0
[1337.710794] usbhid0: <8BitDo IDLE, class 0/0, rev 1.10/2.00, addr 18> on
usbus1
[1337.710969] hidbus0: <HID bus> on usbhid0
`
It's attaching to ugen1.3:
`
# usbconfig -v -d ugen1.3
ugen1.3: <IDLE 8BitDo> at usbus1, cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON
(500mA)
ugen1.3.0: usbhid0: <8BitDo IDLE, class 0/0, rev 1.10/2.00, addr 18>
bLength = 0x0012
bDescriptorType = 0x0001
bcdUSB = 0x0110
bDeviceClass = 0x0000 <Probed by interface class>
bDeviceSubClass = 0x0000
bDeviceProtocol = 0x0000
bMaxPacketSize0 = 0x0040
idVendor = 0x2dc8
idProduct = 0x3107
bcdDevice = 0x0200
iManufacturer = 0x0001 <8BitDo>
iProduct = 0x0002 <IDLE>
iSerialNumber = 0x0003 <E417D8A3F5C7>
bNumConfigurations = 0x0001
Configuration index 0
bLength = 0x0009
bDescriptorType = 0x0002
wTotalLength = 0x0029
bNumInterfaces = 0x0001
bConfigurationValue = 0x0001
iConfiguration = 0x0000 <no string>
bmAttributes = 0x0080
bMaxPower = 0x00fa
Interface 0
bLength = 0x0009
bDescriptorType = 0x0004
bInterfaceNumber = 0x0000
bAlternateSetting = 0x0000
bNumEndpoints = 0x0002
bInterfaceClass = 0x0003 <HID device>
bInterfaceSubClass = 0x0000
bInterfaceProtocol = 0x0000
iInterface = 0x0000 <no string>
Additional Descriptor
bLength = 0x09
bDescriptorType = 0x21
bDescriptorSubType = 0x10
RAW dump:
0x00 | 0x09, 0x21, 0x10, 0x01, 0x00, 0x01, 0x22, 0x25,
0x08 | 0x00
Endpoint 0
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0081 <IN>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0040
bInterval = 0x0008
bRefresh = 0x0000
bSynchAddress = 0x0000
Endpoint 1
bLength = 0x0007
bDescriptorType = 0x0005
bEndpointAddress = 0x0002 <OUT>
bmAttributes = 0x0003 <INTERRUPT>
wMaxPacketSize = 0x0040
bInterval = 0x0008
bRefresh = 0x0000
bSynchAddress = 0x0000
`
If I give `/dev/input/event*` 0660 in devfs.rules, it shows up in SDL
applications, but the buttons don't work.
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