| What:           /sys/bus/umc/ | 
 | Date:           July 2008 | 
 | KernelVersion:  2.6.27 | 
 | Contact:        David Vrabel <david.vrabel@csr.com> | 
 | Description: | 
 |                 The Wireless Host Controller Interface (WHCI) | 
 |                 specification describes a PCI-based device with | 
 |                 multiple capabilities; the UWB Multi-interface | 
 |                 Controller (UMC). | 
 |  | 
 |                 The umc bus presents each of the individual | 
 |                 capabilties as a device. | 
 |  | 
 | What:           /sys/bus/umc/devices/.../capability_id | 
 | Date:           July 2008 | 
 | KernelVersion:  2.6.27 | 
 | Contact:        David Vrabel <david.vrabel@csr.com> | 
 | Description: | 
 |                 The ID of this capability, with 0 being the radio | 
 |                 controller capability. | 
 |  | 
 | What:           /sys/bus/umc/devices/.../version | 
 | Date:           July 2008 | 
 | KernelVersion:  2.6.27 | 
 | Contact:        David Vrabel <david.vrabel@csr.com> | 
 | Description: | 
 |                 The specification version this capability's hardware | 
 |                 interface complies with. |