[libhid-discuss] error sending control message

[Charles Lepple]

On Feb 13, 2009, at 3:27 PM, Brent Bushnell wrote:

> [root at host1 usbhid]# dmesg | tail
> input: USB HID v1.00 Keyboard [ID Innovations Inc. Magnetic Card
> Reader] on usb-0000:00:1d.2-2

This says that the 'input' driver has grabbed that interface.

> hiddev97: USB HID v1.00 Device [ID Innovations Inc. Magnetic Card
> Reader] on usb-0000:00:1d.2-2

This says the 'hiddev' driver has grabbed that interface. I believe  
hiddev is subordinate to the 'usbhid' driver.

> usb 1-1: USB disconnect, address 4
> usb 1-1.1: USB disconnect, address 5
> usb 3-1: new low speed USB device using uhci_hcd and address 4
> usb 3-1: configuration #1 chosen from 1 choice
> input: CHESEN PS2 to USB Converter as /class/input/input5
> input: USB HID v1.10 Keyboard [CHESEN PS2 to USB Converter] on
> usb-0000:00:1d.2-1
> input: CHESEN PS2 to USB Converter as /class/input/input6
> input: USB HID v1.10 Mouse [CHESEN PS2 to USB Converter] on
> usb-0000:00:1d.2-1
>
> [root at host1 usbhid]# cd /sys/bus/usb/drivers/usbhid

So for the first interface, maybe try 'cd /sys/bus/usb/drivers/input'  
or something?

- Charles