diff options
| -rw-r--r-- | sys/src/cmd/nusb/joy/joy.c | 8 | ||||
| -rw-r--r-- | sys/src/cmd/nusb/kb/kb.c | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/sys/src/cmd/nusb/joy/joy.c b/sys/src/cmd/nusb/joy/joy.c index b04028507..0cb254eaf 100644 --- a/sys/src/cmd/nusb/joy/joy.c +++ b/sys/src/cmd/nusb/joy/joy.c @@ -222,6 +222,14 @@ setproto(KDev *f, int eid) proto = Reportproto; }else kbfatal(f, "no report"); + + /* + * if a HID's subclass code is 1 (boot mode), it will support + * setproto, otherwise it is not guaranteed to. + */ + if(Subclass(f->dev->usb->ep[eid]->iface->csp) != 1) + return 0; + return usbcmd(f->dev, Rh2d|Rclass|Riface, Setproto, proto, id, nil, 0); } diff --git a/sys/src/cmd/nusb/kb/kb.c b/sys/src/cmd/nusb/kb/kb.c index 3e2913e34..7b9ed9f2c 100644 --- a/sys/src/cmd/nusb/kb/kb.c +++ b/sys/src/cmd/nusb/kb/kb.c @@ -368,6 +368,14 @@ setproto(Hiddev *f, int eid) } proto = Bootproto; } + + /* + * if a HID's subclass code is 1 (boot mode), it will support + * setproto, otherwise it is not guaranteed to. + */ + if(Subclass(iface->csp) != 1) + return 0; + return usbcmd(f->dev, Rh2d|Rclass|Riface, Setproto, proto, iface->id, nil, 0); } |