From: "Michael Brown" <mcb30@ipxe.org>
To: devel@edk2.groups.io, harlydavidsen@gmail.com
Subject: Re: [edk2-devel] EFI_AUDIO_OUTPUT_PROTOCOL: assistance with VirtIO initialization
Date: Thu, 1 Jul 2021 15:15:47 +0100 [thread overview]
Message-ID: <f81fc950-d368-15be-92ea-56c251ee597f@ipxe.org> (raw)
In-Reply-To: <FsJK.1625094068710372186.5BeK@groups.io>
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
next prev parent reply other threads:[~2021-07-01 14:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-30 23:01 EFI_AUDIO_OUTPUT_PROTOCOL: assistance with VirtIO initialization Ethin Probst
2021-07-01 14:15 ` Michael Brown [this message]
2021-07-01 18:10 ` [edk2-devel] " Ethin Probst
2021-07-02 8:59 ` Laszlo Ersek
2021-07-02 9:41 ` Michael Brown
[not found] ` <168DEFFB0E406B59.30759@groups.io>
2021-07-02 9:46 ` Michael Brown
2021-07-02 18:18 ` Ethin Probst
2021-07-02 18:22 ` Ethin Probst
2021-07-06 12:53 ` Michael Brown
2021-07-02 8:54 ` Laszlo Ersek
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