The first: I don't know how to retrieve the descriptors on the UEFI API. I've looked at the Chaos Key DXE, if memory serves, or the display port one -- one of the two. One of them contained a ReadDescriptor() function, and so I've borrowed that, but that doesn't really help much.
On 7/1/21, Michael Brown <mc...@ipxe.org> wrote: > On 01/07/2021 00:01, Ethin Probst wrote: >> So Leif and I have been working on USB Audio but we've run into a snag. >> We've encountered a problem -- neither of us knows enough about USB to >> figure out how to get the class-specific AC interface descriptors, and >> those contain vital information that I need to be able to control the >> audio device. > > Do you mean that you can't figure out how to retrieve the descriptors > via the UEFI APIs, or that you don't know how to interpret the > descriptors after retrieval? > > Thanks, > > Michael > -- Signed, Ethin D. Probst -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#77424): https://edk2.groups.io/g/devel/message/77424 Mute This Topic: https://groups.io/mt/83904983/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
