linux-kernel - Re: [PATCH 0/1] USB Audio Device Class 3.0 Gadget support

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Message-ID: <87tvx6u3m2.fsf@linux.intel.com>
Date:   Mon, 04 Dec 2017 13:36:21 +0200
From:   Felipe Balbi <balbi@...nel.org>
To:     Ruslan Bilovol <ruslan.bilovol@...il.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "linux-usb\@vger.kernel.org" <linux-usb@...r.kernel.org>,
        linux-doc@...r.kernel.org,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/1] USB Audio Device Class 3.0 Gadget support


Hi,

Ruslan Bilovol <ruslan.bilovol@...il.com> writes:
> On Tue, Nov 7, 2017 at 3:52 AM, Ruslan Bilovol <ruslan.bilovol@...il.com> 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.
>
> http://www.spinics.net/lists/alsa-devel/msg69071.html

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
tree.

-- 
balbi

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