From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from blyat.fensystems.co.uk (blyat.fensystems.co.uk [54.246.183.96]) by mx.groups.io with SMTP id smtpd.web08.6999.1623241520635989415 for ; Wed, 09 Jun 2021 05:25:21 -0700 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: ipxe.org, ip: 54.246.183.96, mailfrom: mcb30@ipxe.org) Received: from pudding.home (unknown [213.205.240.148]) by blyat.fensystems.co.uk (Postfix) with ESMTPSA id F047244158; Wed, 9 Jun 2021 12:25:16 +0000 (UTC) Subject: Re: [edk2-devel] VirtIO sound device in qemu? To: Laszlo Ersek , Leif Lindholm , Ethin Probst Cc: devel@edk2.groups.io References: <74f2a141-fe7c-b25c-ab65-aea8989cc885@redhat.com> <20210607213349.zyqbavq2kqm726h3@leviathan> <20210608202506.5ukz7kro33c7d54x@leviathan> From: "Michael Brown" Message-ID: <883acfee-86e1-6924-ce0f-ae65ce449fa0@ipxe.org> Date: Wed, 9 Jun 2021 13:25:16 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on blyat.fensystems.co.uk Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit On 09/06/2021 11:57, Laszlo Ersek wrote: > I'm uneducated about the "deliverables" in GSoC, but in general I'd > suggest narrowing down the scope as much as possible. I don't know how > hard it is to program USB audio, but if QEMU provides a good device > model for that, out of the box, I would recommend basing the edk2 work > on that device. QEMU also has good support for passing through a real USB device, which might be useful if you ever suspect that the QEMU device implementation is behaving incorrectly. (This is not implausible: I still have several bugfixes for the QEMU USB network device emulation sitting in an out-of-tree branch.) Michael