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SubjectRe: [PATCH 0/1] USB Audio Device Class 3.0 Gadget support


Ruslan Bilovol <> writes:
> On Tue, Nov 7, 2017 at 3:52 AM, Ruslan Bilovol <> wrote:
>> Hi,
>> This patch adds USB Audio Device Class 3.0 [1] function
>> support to gadget subsystem.
>> I didn't add UAC3 support to legacy gadget as it will
>> make preprocessor configuration too complex (UAC3 device
>> must have two configurations for backward compatibility,
>> first is UAC1/2 and second is UAC3), yet also I'm too lazy
>> to do that and verify all possible configurations.
>> For modern ConfigFS interface I'll provide my configuration
>> for testing below; testing was done on a BeagleBone Black
>> board.
>> This patch depends on uac3 header files from include dir
>> which I'll post as part of ALSA host UAC3 patch and will
>> provide the link to it here.

Once that patch hits upstream, then we can queue this for merge window
otherwise we will just have issues and create unbisectable points in the

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