Description, Status code returned – Intel Extensible Firmware Interface User Manual
Page 593
Advertising
Protocols
— USB Support
Version 1.10
12/01/02
14-53
Description
This is an asynchronous type of USB isochronous transfer. If the caller submits a USB isochronous
transfer request through this function, this function will return immediately. When the isochronous
transfer completes, the
function will be triggered, the caller can
know the transfer results. If the transfer is successful, the caller can get the data received or sent in
this callback function.
Status Code Returned
EFI_SUCCESS
The asynchronous isochronous transfer has been successfully submitted
to the system.
EFI_INVALID_PARAMETER
The parameter
DeviceEndpoint
is not valid.
EFI_OUT_OF_RESOURCES
The request could not be submitted due to a lack of resources.
Advertising