On Fri, 14 Mar 2014, Peter Fassberg wrote: > Hi! > > I'm using quite a few USB HID devices, but one of them fail. > > I have really no idea about what is going on here, and it's an odd > card (my geothermal heat pump). > > Maybe you have an idea about why it doesn't get recognized by the HID driver? > > VID/PID: 0xFFFF / 0x0002 :( > > Kernel: 3.3.8 > > Kernel output: > ---------------------------------------------------------------------- > [ 416.820000] usb 1-1: USB disconnect, device number 2 > [ 425.030000] usb 1-1: new full-speed USB device number 3 using ehci-platform > ---------------------------------------------------------------------- > > > cat /proc/bus/usb/devices > ---------------------------------------------------------------------- > T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 8 Spd=12 MxCh= 0 > D: Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 > P: Vendor=ffff ProdID=0002 Rev= 1.00 The Class value is probably the reason. The device claims to belong to a vendor-specific class, not the standard HID class. You may be able to get it to work by doing echo 0xffff 0x0002 >/sys/bus/usb/drivers/usbhid/new_id Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
